Home / 47,458.47-71,132.61-17,857.44

Finding the Fourth Proportional to 47,458.47, 71,132.61 and 17,857.44

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Solution

The fourth proportional to 47,458.47, 71,132.61 and 17,857.44 is: 26,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,458.47 : 71,132.61 = 17,857.44 : x
  2. Step 2: Convert to fraction form
    47,458.47/71,132.61 = 17,857.44/x
  3. Step 3: Cross multiply
    47,458.47x = 71,132.61 × 17,857.44
  4. Step 4: Simplify right side
    47,458.47x = 1,270,246,315.12
  5. Step 5: Solve for x
    x = 1,270,246,315.12/47,458.47
  6. Step 6: Final answer
    x = 26,765.43

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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.