Home / 57,175.56-85,815.64-29,115

Finding the Fourth Proportional to 57,175.56, 85,815.64 and 29,115

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Solution

The fourth proportional to 57,175.56, 85,815.64 and 29,115 is: 43,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.56 : 85,815.64 = 29,115 : x
  2. Step 2: Convert to fraction form
    57,175.56/85,815.64 = 29,115/x
  3. Step 3: Cross multiply
    57,175.56x = 85,815.64 × 29,115
  4. Step 4: Simplify right side
    57,175.56x = 2,498,522,358.60
  5. Step 5: Solve for x
    x = 2,498,522,358.60/57,175.56
  6. Step 6: Final answer
    x = 43,699.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.