Home / 40,129.47-55,380.33-22,224.49

Finding the Fourth Proportional to 40,129.47, 55,380.33 and 22,224.49

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Solution

The fourth proportional to 40,129.47, 55,380.33 and 22,224.49 is: 30,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.47 : 55,380.33 = 22,224.49 : x
  2. Step 2: Convert to fraction form
    40,129.47/55,380.33 = 22,224.49/x
  3. Step 3: Cross multiply
    40,129.47x = 55,380.33 × 22,224.49
  4. Step 4: Simplify right side
    40,129.47x = 1,230,799,451.83
  5. Step 5: Solve for x
    x = 1,230,799,451.83/40,129.47
  6. Step 6: Final answer
    x = 30,670.71

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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.