Home / 38,240.57-57,349.89-19,508.92

Finding the Fourth Proportional to 38,240.57, 57,349.89 and 19,508.92

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Solution

The fourth proportional to 38,240.57, 57,349.89 and 19,508.92 is: 29,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.57 : 57,349.89 = 19,508.92 : x
  2. Step 2: Convert to fraction form
    38,240.57/57,349.89 = 19,508.92/x
  3. Step 3: Cross multiply
    38,240.57x = 57,349.89 × 19,508.92
  4. Step 4: Simplify right side
    38,240.57x = 1,118,834,272.64
  5. Step 5: Solve for x
    x = 1,118,834,272.64/38,240.57
  6. Step 6: Final answer
    x = 29,257.78

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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.