Home / 57,317.92-79,098.28-31,476.18

Finding the Fourth Proportional to 57,317.92, 79,098.28 and 31,476.18

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Solution

The fourth proportional to 57,317.92, 79,098.28 and 31,476.18 is: 43,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,317.92 : 79,098.28 = 31,476.18 : x
  2. Step 2: Convert to fraction form
    57,317.92/79,098.28 = 31,476.18/x
  3. Step 3: Cross multiply
    57,317.92x = 79,098.28 × 31,476.18
  4. Step 4: Simplify right side
    57,317.92x = 2,489,711,698.97
  5. Step 5: Solve for x
    x = 2,489,711,698.97/57,317.92
  6. Step 6: Final answer
    x = 43,436.88

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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.