Home / 40,423.36-55,781.76-22,517.44

Finding the Fourth Proportional to 40,423.36, 55,781.76 and 22,517.44

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Solution

The fourth proportional to 40,423.36, 55,781.76 and 22,517.44 is: 31,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.36 : 55,781.76 = 22,517.44 : x
  2. Step 2: Convert to fraction form
    40,423.36/55,781.76 = 22,517.44/x
  3. Step 3: Cross multiply
    40,423.36x = 55,781.76 × 22,517.44
  4. Step 4: Simplify right side
    40,423.36x = 1,256,062,433.89
  5. Step 5: Solve for x
    x = 1,256,062,433.89/40,423.36
  6. Step 6: Final answer
    x = 31,072.69

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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.