Home / 40,131.72-55,381.08-22,226.34

Finding the Fourth Proportional to 40,131.72, 55,381.08 and 22,226.34

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Solution

The fourth proportional to 40,131.72, 55,381.08 and 22,226.34 is: 30,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.72 : 55,381.08 = 22,226.34 : x
  2. Step 2: Convert to fraction form
    40,131.72/55,381.08 = 22,226.34/x
  3. Step 3: Cross multiply
    40,131.72x = 55,381.08 × 22,226.34
  4. Step 4: Simplify right side
    40,131.72x = 1,230,918,713.65
  5. Step 5: Solve for x
    x = 1,230,918,713.65/40,131.72
  6. Step 6: Final answer
    x = 30,671.97

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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.