Home / 38,677.20-57,972.60-22,045.20

Finding the Fourth Proportional to 38,677.20, 57,972.60 and 22,045.20

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Solution

The fourth proportional to 38,677.20, 57,972.60 and 22,045.20 is: 33,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677.20 : 57,972.60 = 22,045.20 : x
  2. Step 2: Convert to fraction form
    38,677.20/57,972.60 = 22,045.20/x
  3. Step 3: Cross multiply
    38,677.20x = 57,972.60 × 22,045.20
  4. Step 4: Simplify right side
    38,677.20x = 1,278,017,561.52
  5. Step 5: Solve for x
    x = 1,278,017,561.52/38,677.20
  6. Step 6: Final answer
    x = 33,043.18

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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.