Home / 52,246.78-78,359.69-25,581.28

Finding the Fourth Proportional to 52,246.78, 78,359.69 and 25,581.28

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Solution

The fourth proportional to 52,246.78, 78,359.69 and 25,581.28 is: 38,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,246.78 : 78,359.69 = 25,581.28 : x
  2. Step 2: Convert to fraction form
    52,246.78/78,359.69 = 25,581.28/x
  3. Step 3: Cross multiply
    52,246.78x = 78,359.69 × 25,581.28
  4. Step 4: Simplify right side
    52,246.78x = 2,004,540,650.90
  5. Step 5: Solve for x
    x = 2,004,540,650.90/52,246.78
  6. Step 6: Final answer
    x = 38,366.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.