Home / 54,033.68-74,578.92-31,684.88

Finding the Fourth Proportional to 54,033.68, 74,578.92 and 31,684.88

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Solution

The fourth proportional to 54,033.68, 74,578.92 and 31,684.88 is: 43,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033.68 : 74,578.92 = 31,684.88 : x
  2. Step 2: Convert to fraction form
    54,033.68/74,578.92 = 31,684.88/x
  3. Step 3: Cross multiply
    54,033.68x = 74,578.92 × 31,684.88
  4. Step 4: Simplify right side
    54,033.68x = 2,363,024,130.73
  5. Step 5: Solve for x
    x = 2,363,024,130.73/54,033.68
  6. Step 6: Final answer
    x = 43,732.43

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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.