Home / 40,034.26-55,245.04-22,128.19

Finding the Fourth Proportional to 40,034.26, 55,245.04 and 22,128.19

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Solution

The fourth proportional to 40,034.26, 55,245.04 and 22,128.19 is: 30,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034.26 : 55,245.04 = 22,128.19 : x
  2. Step 2: Convert to fraction form
    40,034.26/55,245.04 = 22,128.19/x
  3. Step 3: Cross multiply
    40,034.26x = 55,245.04 × 22,128.19
  4. Step 4: Simplify right side
    40,034.26x = 1,222,472,741.68
  5. Step 5: Solve for x
    x = 1,222,472,741.68/40,034.26
  6. Step 6: Final answer
    x = 30,535.66

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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.