Home / 40,385.33-55,731.16-22,480.31

Finding the Fourth Proportional to 40,385.33, 55,731.16 and 22,480.31

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Solution

The fourth proportional to 40,385.33, 55,731.16 and 22,480.31 is: 31,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.33 : 55,731.16 = 22,480.31 : x
  2. Step 2: Convert to fraction form
    40,385.33/55,731.16 = 22,480.31/x
  3. Step 3: Cross multiply
    40,385.33x = 55,731.16 × 22,480.31
  4. Step 4: Simplify right side
    40,385.33x = 1,252,853,753.46
  5. Step 5: Solve for x
    x = 1,252,853,753.46/40,385.33
  6. Step 6: Final answer
    x = 31,022.50

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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.