Home / 42,294.10-63,355.02-20,040.02

Finding the Fourth Proportional to 42,294.10, 63,355.02 and 20,040.02

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Solution

The fourth proportional to 42,294.10, 63,355.02 and 20,040.02 is: 30,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,294.10 : 63,355.02 = 20,040.02 : x
  2. Step 2: Convert to fraction form
    42,294.10/63,355.02 = 20,040.02/x
  3. Step 3: Cross multiply
    42,294.10x = 63,355.02 × 20,040.02
  4. Step 4: Simplify right side
    42,294.10x = 1,269,635,867.90
  5. Step 5: Solve for x
    x = 1,269,635,867.90/42,294.10
  6. Step 6: Final answer
    x = 30,019.22

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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.