Home / 40,029.90-55,242.41-22,126.57

Finding the Fourth Proportional to 40,029.90, 55,242.41 and 22,126.57

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Solution

The fourth proportional to 40,029.90, 55,242.41 and 22,126.57 is: 30,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.90 : 55,242.41 = 22,126.57 : x
  2. Step 2: Convert to fraction form
    40,029.90/55,242.41 = 22,126.57/x
  3. Step 3: Cross multiply
    40,029.90x = 55,242.41 × 22,126.57
  4. Step 4: Simplify right side
    40,029.90x = 1,222,324,803.09
  5. Step 5: Solve for x
    x = 1,222,324,803.09/40,029.90
  6. Step 6: Final answer
    x = 30,535.30

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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.