Home / 61,279.26-84,565.42-34,421.78

Finding the Fourth Proportional to 61,279.26, 84,565.42 and 34,421.78

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Solution

The fourth proportional to 61,279.26, 84,565.42 and 34,421.78 is: 47,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,279.26 : 84,565.42 = 34,421.78 : x
  2. Step 2: Convert to fraction form
    61,279.26/84,565.42 = 34,421.78/x
  3. Step 3: Cross multiply
    61,279.26x = 84,565.42 × 34,421.78
  4. Step 4: Simplify right side
    61,279.26x = 2,910,892,408.21
  5. Step 5: Solve for x
    x = 2,910,892,408.21/61,279.26
  6. Step 6: Final answer
    x = 47,502.08

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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.