Home / 39,821.32-54,939.76-22,591.80

Finding the Fourth Proportional to 39,821.32, 54,939.76 and 22,591.80

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Solution

The fourth proportional to 39,821.32, 54,939.76 and 22,591.80 is: 31,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.32 : 54,939.76 = 22,591.80 : x
  2. Step 2: Convert to fraction form
    39,821.32/54,939.76 = 22,591.80/x
  3. Step 3: Cross multiply
    39,821.32x = 54,939.76 × 22,591.80
  4. Step 4: Simplify right side
    39,821.32x = 1,241,188,069.97
  5. Step 5: Solve for x
    x = 1,241,188,069.97/39,821.32
  6. Step 6: Final answer
    x = 31,168.93

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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.