Home / 42,037.92-63,056.88-12,456.18

Finding the Fourth Proportional to 42,037.92, 63,056.88 and 12,456.18

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Solution

The fourth proportional to 42,037.92, 63,056.88 and 12,456.18 is: 18,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.92 : 63,056.88 = 12,456.18 : x
  2. Step 2: Convert to fraction form
    42,037.92/63,056.88 = 12,456.18/x
  3. Step 3: Cross multiply
    42,037.92x = 63,056.88 × 12,456.18
  4. Step 4: Simplify right side
    42,037.92x = 785,447,847.52
  5. Step 5: Solve for x
    x = 785,447,847.52/42,037.92
  6. Step 6: Final answer
    x = 18,684.27

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Similar ratio
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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.