Home / 57,549.72-86,317.48-15,432.96

Finding the Fourth Proportional to 57,549.72, 86,317.48 and 15,432.96

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Solution

The fourth proportional to 57,549.72, 86,317.48 and 15,432.96 is: 23,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,549.72 : 86,317.48 = 15,432.96 : x
  2. Step 2: Convert to fraction form
    57,549.72/86,317.48 = 15,432.96/x
  3. Step 3: Cross multiply
    57,549.72x = 86,317.48 × 15,432.96
  4. Step 4: Simplify right side
    57,549.72x = 1,332,134,216.14
  5. Step 5: Solve for x
    x = 1,332,134,216.14/57,549.72
  6. Step 6: Final answer
    x = 23,147.54

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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.