Home / 57,442.12-86,176.46-19,489.34

Finding the Fourth Proportional to 57,442.12, 86,176.46 and 19,489.34

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Solution

The fourth proportional to 57,442.12, 86,176.46 and 19,489.34 is: 29,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,442.12 : 86,176.46 = 19,489.34 : x
  2. Step 2: Convert to fraction form
    57,442.12/86,176.46 = 19,489.34/x
  3. Step 3: Cross multiply
    57,442.12x = 86,176.46 × 19,489.34
  4. Step 4: Simplify right side
    57,442.12x = 1,679,522,593.10
  5. Step 5: Solve for x
    x = 1,679,522,593.10/57,442.12
  6. Step 6: Final answer
    x = 29,238.52

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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.