Home / 36,342.33-50,149.92-20,429.18

Finding the Fourth Proportional to 36,342.33, 50,149.92 and 20,429.18

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Solution

The fourth proportional to 36,342.33, 50,149.92 and 20,429.18 is: 28,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.33 : 50,149.92 = 20,429.18 : x
  2. Step 2: Convert to fraction form
    36,342.33/50,149.92 = 20,429.18/x
  3. Step 3: Cross multiply
    36,342.33x = 50,149.92 × 20,429.18
  4. Step 4: Simplify right side
    36,342.33x = 1,024,521,742.67
  5. Step 5: Solve for x
    x = 1,024,521,742.67/36,342.33
  6. Step 6: Final answer
    x = 28,190.87

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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.