Home / 40,132.16-60,174.48-16,432.64

Finding the Fourth Proportional to 40,132.16, 60,174.48 and 16,432.64

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Solution

The fourth proportional to 40,132.16, 60,174.48 and 16,432.64 is: 24,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.16 : 60,174.48 = 16,432.64 : x
  2. Step 2: Convert to fraction form
    40,132.16/60,174.48 = 16,432.64/x
  3. Step 3: Cross multiply
    40,132.16x = 60,174.48 × 16,432.64
  4. Step 4: Simplify right side
    40,132.16x = 988,825,567.03
  5. Step 5: Solve for x
    x = 988,825,567.03/40,132.16
  6. Step 6: Final answer
    x = 24,639.23

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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.