Home / 40,057.03-55,279.25-22,151.89

Finding the Fourth Proportional to 40,057.03, 55,279.25 and 22,151.89

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Solution

The fourth proportional to 40,057.03, 55,279.25 and 22,151.89 is: 30,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.03 : 55,279.25 = 22,151.89 : x
  2. Step 2: Convert to fraction form
    40,057.03/55,279.25 = 22,151.89/x
  3. Step 3: Cross multiply
    40,057.03x = 55,279.25 × 22,151.89
  4. Step 4: Simplify right side
    40,057.03x = 1,224,539,865.28
  5. Step 5: Solve for x
    x = 1,224,539,865.28/40,057.03
  6. Step 6: Final answer
    x = 30,569.91

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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.