Home / 39,819.32-54,937.02-22,589.78

Finding the Fourth Proportional to 39,819.32, 54,937.02 and 22,589.78

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Solution

The fourth proportional to 39,819.32, 54,937.02 and 22,589.78 is: 31,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.32 : 54,937.02 = 22,589.78 : x
  2. Step 2: Convert to fraction form
    39,819.32/54,937.02 = 22,589.78/x
  3. Step 3: Cross multiply
    39,819.32x = 54,937.02 × 22,589.78
  4. Step 4: Simplify right side
    39,819.32x = 1,241,015,195.66
  5. Step 5: Solve for x
    x = 1,241,015,195.66/39,819.32
  6. Step 6: Final answer
    x = 31,166.16

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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.