Home / 40,034.03-55,245.98-22,128.57

Finding the Fourth Proportional to 40,034.03, 55,245.98 and 22,128.57

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Solution

The fourth proportional to 40,034.03, 55,245.98 and 22,128.57 is: 30,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034.03 : 55,245.98 = 22,128.57 : x
  2. Step 2: Convert to fraction form
    40,034.03/55,245.98 = 22,128.57/x
  3. Step 3: Cross multiply
    40,034.03x = 55,245.98 × 22,128.57
  4. Step 4: Simplify right side
    40,034.03x = 1,222,514,590.97
  5. Step 5: Solve for x
    x = 1,222,514,590.97/40,034.03
  6. Step 6: Final answer
    x = 30,536.89

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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.