Home / 61,780.27-85,255.85-34,921.84

Finding the Fourth Proportional to 61,780.27, 85,255.85 and 34,921.84

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Solution

The fourth proportional to 61,780.27, 85,255.85 and 34,921.84 is: 48,191.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.27 : 85,255.85 = 34,921.84 : x
  2. Step 2: Convert to fraction form
    61,780.27/85,255.85 = 34,921.84/x
  3. Step 3: Cross multiply
    61,780.27x = 85,255.85 × 34,921.84
  4. Step 4: Simplify right side
    61,780.27x = 2,977,291,152.76
  5. Step 5: Solve for x
    x = 2,977,291,152.76/61,780.27
  6. Step 6: Final answer
    x = 48,191.62

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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.