Home / 40,146.39-55,397.54-22,236.90

Finding the Fourth Proportional to 40,146.39, 55,397.54 and 22,236.90

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Solution

The fourth proportional to 40,146.39, 55,397.54 and 22,236.90 is: 30,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.39 : 55,397.54 = 22,236.90 : x
  2. Step 2: Convert to fraction form
    40,146.39/55,397.54 = 22,236.90/x
  3. Step 3: Cross multiply
    40,146.39x = 55,397.54 × 22,236.90
  4. Step 4: Simplify right side
    40,146.39x = 1,231,869,446.04
  5. Step 5: Solve for x
    x = 1,231,869,446.04/40,146.39
  6. Step 6: Final answer
    x = 30,684.44

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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.