Home / 42,752.08-64,129.12-14,671.92

Finding the Fourth Proportional to 42,752.08, 64,129.12 and 14,671.92

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Solution

The fourth proportional to 42,752.08, 64,129.12 and 14,671.92 is: 22,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752.08 : 64,129.12 = 14,671.92 : x
  2. Step 2: Convert to fraction form
    42,752.08/64,129.12 = 14,671.92/x
  3. Step 3: Cross multiply
    42,752.08x = 64,129.12 × 14,671.92
  4. Step 4: Simplify right side
    42,752.08x = 940,897,318.31
  5. Step 5: Solve for x
    x = 940,897,318.31/42,752.08
  6. Step 6: Final answer
    x = 22,008.22

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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.