Home / 42,487.28-63,712.50-14,016.20

Finding the Fourth Proportional to 42,487.28, 63,712.50 and 14,016.20

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Solution

The fourth proportional to 42,487.28, 63,712.50 and 14,016.20 is: 21,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.28 : 63,712.50 = 14,016.20 : x
  2. Step 2: Convert to fraction form
    42,487.28/63,712.50 = 14,016.20/x
  3. Step 3: Cross multiply
    42,487.28x = 63,712.50 × 14,016.20
  4. Step 4: Simplify right side
    42,487.28x = 893,007,142.50
  5. Step 5: Solve for x
    x = 893,007,142.50/42,487.28
  6. Step 6: Final answer
    x = 21,018.22

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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.