Home / 39,909.18-55,073.62-22,003.89

Finding the Fourth Proportional to 39,909.18, 55,073.62 and 22,003.89

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Solution

The fourth proportional to 39,909.18, 55,073.62 and 22,003.89 is: 30,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.18 : 55,073.62 = 22,003.89 : x
  2. Step 2: Convert to fraction form
    39,909.18/55,073.62 = 22,003.89/x
  3. Step 3: Cross multiply
    39,909.18x = 55,073.62 × 22,003.89
  4. Step 4: Simplify right side
    39,909.18x = 1,211,833,876.38
  5. Step 5: Solve for x
    x = 1,211,833,876.38/39,909.18
  6. Step 6: Final answer
    x = 30,364.79

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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.