Home / 38,711.04-53,414.82-22,789.68

Finding the Fourth Proportional to 38,711.04, 53,414.82 and 22,789.68

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Solution

The fourth proportional to 38,711.04, 53,414.82 and 22,789.68 is: 31,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711.04 : 53,414.82 = 22,789.68 : x
  2. Step 2: Convert to fraction form
    38,711.04/53,414.82 = 22,789.68/x
  3. Step 3: Cross multiply
    38,711.04x = 53,414.82 × 22,789.68
  4. Step 4: Simplify right side
    38,711.04x = 1,217,306,655.06
  5. Step 5: Solve for x
    x = 1,217,306,655.06/38,711.04
  6. Step 6: Final answer
    x = 31,445.98

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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.