Home / 38,982.78-58,487.76-12,332.88

Finding the Fourth Proportional to 38,982.78, 58,487.76 and 12,332.88

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Solution

The fourth proportional to 38,982.78, 58,487.76 and 12,332.88 is: 18,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.78 : 58,487.76 = 12,332.88 : x
  2. Step 2: Convert to fraction form
    38,982.78/58,487.76 = 12,332.88/x
  3. Step 3: Cross multiply
    38,982.78x = 58,487.76 × 12,332.88
  4. Step 4: Simplify right side
    38,982.78x = 721,322,525.55
  5. Step 5: Solve for x
    x = 721,322,525.55/38,982.78
  6. Step 6: Final answer
    x = 18,503.62

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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.