Home / 61,279.03-84,565.10-34,421.55

Finding the Fourth Proportional to 61,279.03, 84,565.10 and 34,421.55

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Solution

The fourth proportional to 61,279.03, 84,565.10 and 34,421.55 is: 47,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,279.03 : 84,565.10 = 34,421.55 : x
  2. Step 2: Convert to fraction form
    61,279.03/84,565.10 = 34,421.55/x
  3. Step 3: Cross multiply
    61,279.03x = 84,565.10 × 34,421.55
  4. Step 4: Simplify right side
    61,279.03x = 2,910,861,817.91
  5. Step 5: Solve for x
    x = 2,910,861,817.91/61,279.03
  6. Step 6: Final answer
    x = 47,501.76

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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.