Home / 40,031.42-55,246.22-22,126.04

Finding the Fourth Proportional to 40,031.42, 55,246.22 and 22,126.04

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Solution

The fourth proportional to 40,031.42, 55,246.22 and 22,126.04 is: 30,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.42 : 55,246.22 = 22,126.04 : x
  2. Step 2: Convert to fraction form
    40,031.42/55,246.22 = 22,126.04/x
  3. Step 3: Cross multiply
    40,031.42x = 55,246.22 × 22,126.04
  4. Step 4: Simplify right side
    40,031.42x = 1,222,380,073.57
  5. Step 5: Solve for x
    x = 1,222,380,073.57/40,031.42
  6. Step 6: Final answer
    x = 30,535.52

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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.