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Finding the Fourth Proportional to 34,677.92, 52,016.88 and 12,479.18

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Solution

The fourth proportional to 34,677.92, 52,016.88 and 12,479.18 is: 18,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,677.92 : 52,016.88 = 12,479.18 : x
  2. Step 2: Convert to fraction form
    34,677.92/52,016.88 = 12,479.18/x
  3. Step 3: Cross multiply
    34,677.92x = 52,016.88 × 12,479.18
  4. Step 4: Simplify right side
    34,677.92x = 649,128,008.56
  5. Step 5: Solve for x
    x = 649,128,008.56/34,677.92
  6. Step 6: Final answer
    x = 18,718.77

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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.