Home / 40,144.56-55,399.89-22,239.81

Finding the Fourth Proportional to 40,144.56, 55,399.89 and 22,239.81

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Solution

The fourth proportional to 40,144.56, 55,399.89 and 22,239.81 is: 30,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.56 : 55,399.89 = 22,239.81 : x
  2. Step 2: Convert to fraction form
    40,144.56/55,399.89 = 22,239.81/x
  3. Step 3: Cross multiply
    40,144.56x = 55,399.89 × 22,239.81
  4. Step 4: Simplify right side
    40,144.56x = 1,232,083,027.62
  5. Step 5: Solve for x
    x = 1,232,083,027.62/40,144.56
  6. Step 6: Final answer
    x = 30,691.16

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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.