Home / 40,131.47-60,204.02-20,150.48

Finding the Fourth Proportional to 40,131.47, 60,204.02 and 20,150.48

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Solution

The fourth proportional to 40,131.47, 60,204.02 and 20,150.48 is: 30,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.47 : 60,204.02 = 20,150.48 : x
  2. Step 2: Convert to fraction form
    40,131.47/60,204.02 = 20,150.48/x
  3. Step 3: Cross multiply
    40,131.47x = 60,204.02 × 20,150.48
  4. Step 4: Simplify right side
    40,131.47x = 1,213,139,499.16
  5. Step 5: Solve for x
    x = 1,213,139,499.16/40,131.47
  6. Step 6: Final answer
    x = 30,229.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.