Home / 40,297.32-55,609.20-22,391.85

Finding the Fourth Proportional to 40,297.32, 55,609.20 and 22,391.85

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Solution

The fourth proportional to 40,297.32, 55,609.20 and 22,391.85 is: 30,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297.32 : 55,609.20 = 22,391.85 : x
  2. Step 2: Convert to fraction form
    40,297.32/55,609.20 = 22,391.85/x
  3. Step 3: Cross multiply
    40,297.32x = 55,609.20 × 22,391.85
  4. Step 4: Simplify right side
    40,297.32x = 1,245,192,865.02
  5. Step 5: Solve for x
    x = 1,245,192,865.02/40,297.32
  6. Step 6: Final answer
    x = 30,900.14

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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.