Home / 38,330.90-57,496.35-28,999.70

Finding the Fourth Proportional to 38,330.90, 57,496.35 and 28,999.70

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Solution

The fourth proportional to 38,330.90, 57,496.35 and 28,999.70 is: 43,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.90 : 57,496.35 = 28,999.70 : x
  2. Step 2: Convert to fraction form
    38,330.90/57,496.35 = 28,999.70/x
  3. Step 3: Cross multiply
    38,330.90x = 57,496.35 × 28,999.70
  4. Step 4: Simplify right side
    38,330.90x = 1,667,376,901.10
  5. Step 5: Solve for x
    x = 1,667,376,901.10/38,330.90
  6. Step 6: Final answer
    x = 43,499.55

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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.