Home / 38,423.52-57,635.55-12,130.38

Finding the Fourth Proportional to 38,423.52, 57,635.55 and 12,130.38

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Solution

The fourth proportional to 38,423.52, 57,635.55 and 12,130.38 is: 18,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.52 : 57,635.55 = 12,130.38 : x
  2. Step 2: Convert to fraction form
    38,423.52/57,635.55 = 12,130.38/x
  3. Step 3: Cross multiply
    38,423.52x = 57,635.55 × 12,130.38
  4. Step 4: Simplify right side
    38,423.52x = 699,141,123.01
  5. Step 5: Solve for x
    x = 699,141,123.01/38,423.52
  6. Step 6: Final answer
    x = 18,195.66

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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.