Home / 40,131.98-55,381.65-22,226.52

Finding the Fourth Proportional to 40,131.98, 55,381.65 and 22,226.52

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Solution

The fourth proportional to 40,131.98, 55,381.65 and 22,226.52 is: 30,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.98 : 55,381.65 = 22,226.52 : x
  2. Step 2: Convert to fraction form
    40,131.98/55,381.65 = 22,226.52/x
  3. Step 3: Cross multiply
    40,131.98x = 55,381.65 × 22,226.52
  4. Step 4: Simplify right side
    40,131.98x = 1,230,941,351.36
  5. Step 5: Solve for x
    x = 1,230,941,351.36/40,131.98
  6. Step 6: Final answer
    x = 30,672.33

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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.