Home / 42,132.96-63,209.97-12,548.52

Finding the Fourth Proportional to 42,132.96, 63,209.97 and 12,548.52

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Solution

The fourth proportional to 42,132.96, 63,209.97 and 12,548.52 is: 18,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.96 : 63,209.97 = 12,548.52 : x
  2. Step 2: Convert to fraction form
    42,132.96/63,209.97 = 12,548.52/x
  3. Step 3: Cross multiply
    42,132.96x = 63,209.97 × 12,548.52
  4. Step 4: Simplify right side
    42,132.96x = 793,191,572.74
  5. Step 5: Solve for x
    x = 793,191,572.74/42,132.96
  6. Step 6: Final answer
    x = 18,825.92

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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.