Home / 40,446.40-55,817.22-22,542.88

Finding the Fourth Proportional to 40,446.40, 55,817.22 and 22,542.88

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Solution

The fourth proportional to 40,446.40, 55,817.22 and 22,542.88 is: 31,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,446.40 : 55,817.22 = 22,542.88 : x
  2. Step 2: Convert to fraction form
    40,446.40/55,817.22 = 22,542.88/x
  3. Step 3: Cross multiply
    40,446.40x = 55,817.22 × 22,542.88
  4. Step 4: Simplify right side
    40,446.40x = 1,258,280,892.39
  5. Step 5: Solve for x
    x = 1,258,280,892.39/40,446.40
  6. Step 6: Final answer
    x = 31,109.84

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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.