Home / 47,557.20-71,279.60-19,459.92

Finding the Fourth Proportional to 47,557.20, 71,279.60 and 19,459.92

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Solution

The fourth proportional to 47,557.20, 71,279.60 and 19,459.92 is: 29,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,557.20 : 71,279.60 = 19,459.92 : x
  2. Step 2: Convert to fraction form
    47,557.20/71,279.60 = 19,459.92/x
  3. Step 3: Cross multiply
    47,557.20x = 71,279.60 × 19,459.92
  4. Step 4: Simplify right side
    47,557.20x = 1,387,095,313.63
  5. Step 5: Solve for x
    x = 1,387,095,313.63/47,557.20
  6. Step 6: Final answer
    x = 29,166.88

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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.