Home / 38,245,272.45-57,367,908.68-30,687,000.45

Finding the Fourth Proportional to 38,245,272.45, 57,367,908.68 and 30,687,000.45

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Solution

The fourth proportional to 38,245,272.45, 57,367,908.68 and 30,687,000.45 is: 46,030,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245,272.45 : 57,367,908.68 = 30,687,000.45 : x
  2. Step 2: Convert to fraction form
    38,245,272.45/57,367,908.68 = 30,687,000.45/x
  3. Step 3: Cross multiply
    38,245,272.45x = 57,367,908.68 × 30,687,000.45
  4. Step 4: Simplify right side
    38,245,272.45x = 1,760,449,039,325,283.75
  5. Step 5: Solve for x
    x = 1,760,449,039,325,283.75/38,245,272.45
  6. Step 6: Final answer
    x = 46,030,500.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.