Home / 40,517.78-55,914.42-22,612.58

Finding the Fourth Proportional to 40,517.78, 55,914.42 and 22,612.58

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Solution

The fourth proportional to 40,517.78, 55,914.42 and 22,612.58 is: 31,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.78 : 55,914.42 = 22,612.58 : x
  2. Step 2: Convert to fraction form
    40,517.78/55,914.42 = 22,612.58/x
  3. Step 3: Cross multiply
    40,517.78x = 55,914.42 × 22,612.58
  4. Step 4: Simplify right side
    40,517.78x = 1,264,369,295.40
  5. Step 5: Solve for x
    x = 1,264,369,295.40/40,517.78
  6. Step 6: Final answer
    x = 31,205.30

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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.