Home / 71,562.56-107,346.75-18,255.92

Finding the Fourth Proportional to 71,562.56, 107,346.75 and 18,255.92

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Solution

The fourth proportional to 71,562.56, 107,346.75 and 18,255.92 is: 27,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562.56 : 107,346.75 = 18,255.92 : x
  2. Step 2: Convert to fraction form
    71,562.56/107,346.75 = 18,255.92/x
  3. Step 3: Cross multiply
    71,562.56x = 107,346.75 × 18,255.92
  4. Step 4: Simplify right side
    71,562.56x = 1,959,713,680.26
  5. Step 5: Solve for x
    x = 1,959,713,680.26/71,562.56
  6. Step 6: Final answer
    x = 27,384.62

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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.