Home / 43,861.02-66,034.19-30,100.38

Finding the Fourth Proportional to 43,861.02, 66,034.19 and 30,100.38

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Solution

The fourth proportional to 43,861.02, 66,034.19 and 30,100.38 is: 45,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.02 : 66,034.19 = 30,100.38 : x
  2. Step 2: Convert to fraction form
    43,861.02/66,034.19 = 30,100.38/x
  3. Step 3: Cross multiply
    43,861.02x = 66,034.19 × 30,100.38
  4. Step 4: Simplify right side
    43,861.02x = 1,987,654,061.49
  5. Step 5: Solve for x
    x = 1,987,654,061.49/43,861.02
  6. Step 6: Final answer
    x = 45,317.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.