Home / 49,691.40-68,581.76-38,231.52

Finding the Fourth Proportional to 49,691.40, 68,581.76 and 38,231.52

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Solution

The fourth proportional to 49,691.40, 68,581.76 and 38,231.52 is: 52,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.40 : 68,581.76 = 38,231.52 : x
  2. Step 2: Convert to fraction form
    49,691.40/68,581.76 = 38,231.52/x
  3. Step 3: Cross multiply
    49,691.40x = 68,581.76 × 38,231.52
  4. Step 4: Simplify right side
    49,691.40x = 2,621,984,929.08
  5. Step 5: Solve for x
    x = 2,621,984,929.08/49,691.40
  6. Step 6: Final answer
    x = 52,765.37

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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.