Home / 42,134.25-63,211.77-12,551.97

Finding the Fourth Proportional to 42,134.25, 63,211.77 and 12,551.97

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Solution

The fourth proportional to 42,134.25, 63,211.77 and 12,551.97 is: 18,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.25 : 63,211.77 = 12,551.97 : x
  2. Step 2: Convert to fraction form
    42,134.25/63,211.77 = 12,551.97/x
  3. Step 3: Cross multiply
    42,134.25x = 63,211.77 × 12,551.97
  4. Step 4: Simplify right side
    42,134.25x = 793,432,240.69
  5. Step 5: Solve for x
    x = 793,432,240.69/42,134.25
  6. Step 6: Final answer
    x = 18,831.05

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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.