Home / 40,129.62-55,377.25-22,223.56

Finding the Fourth Proportional to 40,129.62, 55,377.25 and 22,223.56

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Solution

The fourth proportional to 40,129.62, 55,377.25 and 22,223.56 is: 30,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.62 : 55,377.25 = 22,223.56 : x
  2. Step 2: Convert to fraction form
    40,129.62/55,377.25 = 22,223.56/x
  3. Step 3: Cross multiply
    40,129.62x = 55,377.25 × 22,223.56
  4. Step 4: Simplify right side
    40,129.62x = 1,230,679,638.01
  5. Step 5: Solve for x
    x = 1,230,679,638.01/40,129.62
  6. Step 6: Final answer
    x = 30,667.61

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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.