Home / 38,384.80-57,585.30-12,092.20

Finding the Fourth Proportional to 38,384.80, 57,585.30 and 12,092.20

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Solution

The fourth proportional to 38,384.80, 57,585.30 and 12,092.20 is: 18,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.80 : 57,585.30 = 12,092.20 : x
  2. Step 2: Convert to fraction form
    38,384.80/57,585.30 = 12,092.20/x
  3. Step 3: Cross multiply
    38,384.80x = 57,585.30 × 12,092.20
  4. Step 4: Simplify right side
    38,384.80x = 696,332,964.66
  5. Step 5: Solve for x
    x = 696,332,964.66/38,384.80
  6. Step 6: Final answer
    x = 18,140.85

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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.