Home / 38,227.20-57,340.80-29,479.20

Finding the Fourth Proportional to 38,227.20, 57,340.80 and 29,479.20

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Solution

The fourth proportional to 38,227.20, 57,340.80 and 29,479.20 is: 44,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,227.20 : 57,340.80 = 29,479.20 : x
  2. Step 2: Convert to fraction form
    38,227.20/57,340.80 = 29,479.20/x
  3. Step 3: Cross multiply
    38,227.20x = 57,340.80 × 29,479.20
  4. Step 4: Simplify right side
    38,227.20x = 1,690,360,911.36
  5. Step 5: Solve for x
    x = 1,690,360,911.36/38,227.20
  6. Step 6: Final answer
    x = 44,218.80

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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.