Home / 61,921.68-85,437.96-41,815.44

Finding the Fourth Proportional to 61,921.68, 85,437.96 and 41,815.44

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Solution

The fourth proportional to 61,921.68, 85,437.96 and 41,815.44 is: 57,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.68 : 85,437.96 = 41,815.44 : x
  2. Step 2: Convert to fraction form
    61,921.68/85,437.96 = 41,815.44/x
  3. Step 3: Cross multiply
    61,921.68x = 85,437.96 × 41,815.44
  4. Step 4: Simplify right side
    61,921.68x = 3,572,625,890.10
  5. Step 5: Solve for x
    x = 3,572,625,890.10/61,921.68
  6. Step 6: Final answer
    x = 57,695.88

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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.