Home / 60,665.12-90,997.92-18,545.05

Finding the Fourth Proportional to 60,665.12, 90,997.92 and 18,545.05

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Solution

The fourth proportional to 60,665.12, 90,997.92 and 18,545.05 is: 27,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.12 : 90,997.92 = 18,545.05 : x
  2. Step 2: Convert to fraction form
    60,665.12/90,997.92 = 18,545.05/x
  3. Step 3: Cross multiply
    60,665.12x = 90,997.92 × 18,545.05
  4. Step 4: Simplify right side
    60,665.12x = 1,687,560,521.31
  5. Step 5: Solve for x
    x = 1,687,560,521.31/60,665.12
  6. Step 6: Final answer
    x = 27,817.64

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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.