Home / 40,587.52-60,887.20-12,509.92

Finding the Fourth Proportional to 40,587.52, 60,887.20 and 12,509.92

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Solution

The fourth proportional to 40,587.52, 60,887.20 and 12,509.92 is: 18,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,587.52 : 60,887.20 = 12,509.92 : x
  2. Step 2: Convert to fraction form
    40,587.52/60,887.20 = 12,509.92/x
  3. Step 3: Cross multiply
    40,587.52x = 60,887.20 × 12,509.92
  4. Step 4: Simplify right side
    40,587.52x = 761,694,001.02
  5. Step 5: Solve for x
    x = 761,694,001.02/40,587.52
  6. Step 6: Final answer
    x = 18,766.70

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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.