Home / 57,721.16-79,608.12-48,487.52

Finding the Fourth Proportional to 57,721.16, 79,608.12 and 48,487.52

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Solution

The fourth proportional to 57,721.16, 79,608.12 and 48,487.52 is: 66,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.16 : 79,608.12 = 48,487.52 : x
  2. Step 2: Convert to fraction form
    57,721.16/79,608.12 = 48,487.52/x
  3. Step 3: Cross multiply
    57,721.16x = 79,608.12 × 48,487.52
  4. Step 4: Simplify right side
    57,721.16x = 3,860,000,310.66
  5. Step 5: Solve for x
    x = 3,860,000,310.66/57,721.16
  6. Step 6: Final answer
    x = 66,873.23

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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.