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Finding the Fourth Proportional to 38,710.80, 57,919.39 and 22,924.31

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Solution

The fourth proportional to 38,710.80, 57,919.39 and 22,924.31 is: 34,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.80 : 57,919.39 = 22,924.31 : x
  2. Step 2: Convert to fraction form
    38,710.80/57,919.39 = 22,924.31/x
  3. Step 3: Cross multiply
    38,710.80x = 57,919.39 × 22,924.31
  4. Step 4: Simplify right side
    38,710.80x = 1,327,761,704.46
  5. Step 5: Solve for x
    x = 1,327,761,704.46/38,710.80
  6. Step 6: Final answer
    x = 34,299.52

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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.