Home / 39,710.10-54,793.44-22,711.61

Finding the Fourth Proportional to 39,710.10, 54,793.44 and 22,711.61

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Solution

The fourth proportional to 39,710.10, 54,793.44 and 22,711.61 is: 31,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,710.10 : 54,793.44 = 22,711.61 : x
  2. Step 2: Convert to fraction form
    39,710.10/54,793.44 = 22,711.61/x
  3. Step 3: Cross multiply
    39,710.10x = 54,793.44 × 22,711.61
  4. Step 4: Simplify right side
    39,710.10x = 1,244,446,965.87
  5. Step 5: Solve for x
    x = 1,244,446,965.87/39,710.10
  6. Step 6: Final answer
    x = 31,338.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.