Home / 38,999.07-58,442.45-30,192.75

Finding the Fourth Proportional to 38,999.07, 58,442.45 and 30,192.75

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Solution

The fourth proportional to 38,999.07, 58,442.45 and 30,192.75 is: 45,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.07 : 58,442.45 = 30,192.75 : x
  2. Step 2: Convert to fraction form
    38,999.07/58,442.45 = 30,192.75/x
  3. Step 3: Cross multiply
    38,999.07x = 58,442.45 × 30,192.75
  4. Step 4: Simplify right side
    38,999.07x = 1,764,538,131.27
  5. Step 5: Solve for x
    x = 1,764,538,131.27/38,999.07
  6. Step 6: Final answer
    x = 45,245.65

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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.