Home / 61,789.78-85,269.45-34,932.22

Finding the Fourth Proportional to 61,789.78, 85,269.45 and 34,932.22

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Solution

The fourth proportional to 61,789.78, 85,269.45 and 34,932.22 is: 48,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.78 : 85,269.45 = 34,932.22 : x
  2. Step 2: Convert to fraction form
    61,789.78/85,269.45 = 34,932.22/x
  3. Step 3: Cross multiply
    61,789.78x = 85,269.45 × 34,932.22
  4. Step 4: Simplify right side
    61,789.78x = 2,978,651,186.68
  5. Step 5: Solve for x
    x = 2,978,651,186.68/61,789.78
  6. Step 6: Final answer
    x = 48,206.21

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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.