Home / 39,414.68-54,386.88-22,647.68

Finding the Fourth Proportional to 39,414.68, 54,386.88 and 22,647.68

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Solution

The fourth proportional to 39,414.68, 54,386.88 and 22,647.68 is: 31,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.68 : 54,386.88 = 22,647.68 : x
  2. Step 2: Convert to fraction form
    39,414.68/54,386.88 = 22,647.68/x
  3. Step 3: Cross multiply
    39,414.68x = 54,386.88 × 22,647.68
  4. Step 4: Simplify right side
    39,414.68x = 1,231,736,654.44
  5. Step 5: Solve for x
    x = 1,231,736,654.44/39,414.68
  6. Step 6: Final answer
    x = 31,250.71

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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.