Home / 40,120.46-55,350.03-23,115.59

Finding the Fourth Proportional to 40,120.46, 55,350.03 and 23,115.59

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Solution

The fourth proportional to 40,120.46, 55,350.03 and 23,115.59 is: 31,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.46 : 55,350.03 = 23,115.59 : x
  2. Step 2: Convert to fraction form
    40,120.46/55,350.03 = 23,115.59/x
  3. Step 3: Cross multiply
    40,120.46x = 55,350.03 × 23,115.59
  4. Step 4: Simplify right side
    40,120.46x = 1,279,448,599.97
  5. Step 5: Solve for x
    x = 1,279,448,599.97/40,120.46
  6. Step 6: Final answer
    x = 31,890.18

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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.