Home / 38,535.62-57,800.39-12,240.59

Finding the Fourth Proportional to 38,535.62, 57,800.39 and 12,240.59

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Solution

The fourth proportional to 38,535.62, 57,800.39 and 12,240.59 is: 18,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.62 : 57,800.39 = 12,240.59 : x
  2. Step 2: Convert to fraction form
    38,535.62/57,800.39 = 12,240.59/x
  3. Step 3: Cross multiply
    38,535.62x = 57,800.39 × 12,240.59
  4. Step 4: Simplify right side
    38,535.62x = 707,510,875.83
  5. Step 5: Solve for x
    x = 707,510,875.83/38,535.62
  6. Step 6: Final answer
    x = 18,359.92

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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.