Home / 42,432.06-63,551.14-20,260.97

Finding the Fourth Proportional to 42,432.06, 63,551.14 and 20,260.97

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Solution

The fourth proportional to 42,432.06, 63,551.14 and 20,260.97 is: 30,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.06 : 63,551.14 = 20,260.97 : x
  2. Step 2: Convert to fraction form
    42,432.06/63,551.14 = 20,260.97/x
  3. Step 3: Cross multiply
    42,432.06x = 63,551.14 × 20,260.97
  4. Step 4: Simplify right side
    42,432.06x = 1,287,607,321.95
  5. Step 5: Solve for x
    x = 1,287,607,321.95/42,432.06
  6. Step 6: Final answer
    x = 30,345.15

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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.