Home / 47,279.54-65,276.14-29,398.86

Finding the Fourth Proportional to 47,279.54, 65,276.14 and 29,398.86

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Solution

The fourth proportional to 47,279.54, 65,276.14 and 29,398.86 is: 40,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279.54 : 65,276.14 = 29,398.86 : x
  2. Step 2: Convert to fraction form
    47,279.54/65,276.14 = 29,398.86/x
  3. Step 3: Cross multiply
    47,279.54x = 65,276.14 × 29,398.86
  4. Step 4: Simplify right side
    47,279.54x = 1,919,044,101.20
  5. Step 5: Solve for x
    x = 1,919,044,101.20/47,279.54
  6. Step 6: Final answer
    x = 40,589.31

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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.