Home / 42,153.18-63,229.14-12,571.14

Finding the Fourth Proportional to 42,153.18, 63,229.14 and 12,571.14

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Solution

The fourth proportional to 42,153.18, 63,229.14 and 12,571.14 is: 18,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.18 : 63,229.14 = 12,571.14 : x
  2. Step 2: Convert to fraction form
    42,153.18/63,229.14 = 12,571.14/x
  3. Step 3: Cross multiply
    42,153.18x = 63,229.14 × 12,571.14
  4. Step 4: Simplify right side
    42,153.18x = 794,862,371.02
  5. Step 5: Solve for x
    x = 794,862,371.02/42,153.18
  6. Step 6: Final answer
    x = 18,856.52

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1.5x scale

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.