Home / 34,279.13-47,304.87-19,171.61

Finding the Fourth Proportional to 34,279.13, 47,304.87 and 19,171.61

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Solution

The fourth proportional to 34,279.13, 47,304.87 and 19,171.61 is: 26,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.13 : 47,304.87 = 19,171.61 : x
  2. Step 2: Convert to fraction form
    34,279.13/47,304.87 = 19,171.61/x
  3. Step 3: Cross multiply
    34,279.13x = 47,304.87 × 19,171.61
  4. Step 4: Simplify right side
    34,279.13x = 906,910,518.74
  5. Step 5: Solve for x
    x = 906,910,518.74/34,279.13
  6. Step 6: Final answer
    x = 26,456.64

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1.5x scale

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.