Home / 40,146.30-55,397.34-22,236.75

Finding the Fourth Proportional to 40,146.30, 55,397.34 and 22,236.75

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Solution

The fourth proportional to 40,146.30, 55,397.34 and 22,236.75 is: 30,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.30 : 55,397.34 = 22,236.75 : x
  2. Step 2: Convert to fraction form
    40,146.30/55,397.34 = 22,236.75/x
  3. Step 3: Cross multiply
    40,146.30x = 55,397.34 × 22,236.75
  4. Step 4: Simplify right side
    40,146.30x = 1,231,856,800.25
  5. Step 5: Solve for x
    x = 1,231,856,800.25/40,146.30
  6. Step 6: Final answer
    x = 30,684.19

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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.