Home / 61,279.21-84,565.65-34,422.85

Finding the Fourth Proportional to 61,279.21, 84,565.65 and 34,422.85

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Solution

The fourth proportional to 61,279.21, 84,565.65 and 34,422.85 is: 47,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,279.21 : 84,565.65 = 34,422.85 : x
  2. Step 2: Convert to fraction form
    61,279.21/84,565.65 = 34,422.85/x
  3. Step 3: Cross multiply
    61,279.21x = 84,565.65 × 34,422.85
  4. Step 4: Simplify right side
    61,279.21x = 2,910,990,685.10
  5. Step 5: Solve for x
    x = 2,910,990,685.10/61,279.21
  6. Step 6: Final answer
    x = 47,503.72

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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.