Home / 42,454.22-63,670.91-15,432.14

Finding the Fourth Proportional to 42,454.22, 63,670.91 and 15,432.14

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Solution

The fourth proportional to 42,454.22, 63,670.91 and 15,432.14 is: 23,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,454.22 : 63,670.91 = 15,432.14 : x
  2. Step 2: Convert to fraction form
    42,454.22/63,670.91 = 15,432.14/x
  3. Step 3: Cross multiply
    42,454.22x = 63,670.91 × 15,432.14
  4. Step 4: Simplify right side
    42,454.22x = 982,578,397.05
  5. Step 5: Solve for x
    x = 982,578,397.05/42,454.22
  6. Step 6: Final answer
    x = 23,144.42

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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.