Home / 42,183.89-63,306.92-19,997.18

Finding the Fourth Proportional to 42,183.89, 63,306.92 and 19,997.18

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Solution

The fourth proportional to 42,183.89, 63,306.92 and 19,997.18 is: 30,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,183.89 : 63,306.92 = 19,997.18 : x
  2. Step 2: Convert to fraction form
    42,183.89/63,306.92 = 19,997.18/x
  3. Step 3: Cross multiply
    42,183.89x = 63,306.92 × 19,997.18
  4. Step 4: Simplify right side
    42,183.89x = 1,265,959,874.49
  5. Step 5: Solve for x
    x = 1,265,959,874.49/42,183.89
  6. Step 6: Final answer
    x = 30,010.51

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1.5x scale

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.