Home / 39,690.55-54,772.94-22,462.61

Finding the Fourth Proportional to 39,690.55, 54,772.94 and 22,462.61

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Solution

The fourth proportional to 39,690.55, 54,772.94 and 22,462.61 is: 30,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.55 : 54,772.94 = 22,462.61 : x
  2. Step 2: Convert to fraction form
    39,690.55/54,772.94 = 22,462.61/x
  3. Step 3: Cross multiply
    39,690.55x = 54,772.94 × 22,462.61
  4. Step 4: Simplify right side
    39,690.55x = 1,230,343,020.96
  5. Step 5: Solve for x
    x = 1,230,343,020.96/39,690.55
  6. Step 6: Final answer
    x = 30,998.38

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1.5x scale

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.