Home / 42,372.86-63,539.09-15,700.55

Finding the Fourth Proportional to 42,372.86, 63,539.09 and 15,700.55

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Solution

The fourth proportional to 42,372.86, 63,539.09 and 15,700.55 is: 23,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372.86 : 63,539.09 = 15,700.55 : x
  2. Step 2: Convert to fraction form
    42,372.86/63,539.09 = 15,700.55/x
  3. Step 3: Cross multiply
    42,372.86x = 63,539.09 × 15,700.55
  4. Step 4: Simplify right side
    42,372.86x = 997,598,581.00
  5. Step 5: Solve for x
    x = 997,598,581.00/42,372.86
  6. Step 6: Final answer
    x = 23,543.34

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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.