Home / 38,239.68-57,337.12-11,577.76

Finding the Fourth Proportional to 38,239.68, 57,337.12 and 11,577.76

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Solution

The fourth proportional to 38,239.68, 57,337.12 and 11,577.76 is: 17,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.68 : 57,337.12 = 11,577.76 : x
  2. Step 2: Convert to fraction form
    38,239.68/57,337.12 = 11,577.76/x
  3. Step 3: Cross multiply
    38,239.68x = 57,337.12 × 11,577.76
  4. Step 4: Simplify right side
    38,239.68x = 663,835,414.45
  5. Step 5: Solve for x
    x = 663,835,414.45/38,239.68
  6. Step 6: Final answer
    x = 17,359.86

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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.