Home / 40,115.63-55,359.42-22,209.56

Finding the Fourth Proportional to 40,115.63, 55,359.42 and 22,209.56

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Solution

The fourth proportional to 40,115.63, 55,359.42 and 22,209.56 is: 30,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.63 : 55,359.42 = 22,209.56 : x
  2. Step 2: Convert to fraction form
    40,115.63/55,359.42 = 22,209.56/x
  3. Step 3: Cross multiply
    40,115.63x = 55,359.42 × 22,209.56
  4. Step 4: Simplify right side
    40,115.63x = 1,229,508,360.06
  5. Step 5: Solve for x
    x = 1,229,508,360.06/40,115.63
  6. Step 6: Final answer
    x = 30,649.11

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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.