Home / 71,378.02-107,082.06-27,003.80

Finding the Fourth Proportional to 71,378.02, 107,082.06 and 27,003.80

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Solution

The fourth proportional to 71,378.02, 107,082.06 and 27,003.80 is: 40,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,378.02 : 107,082.06 = 27,003.80 : x
  2. Step 2: Convert to fraction form
    71,378.02/107,082.06 = 27,003.80/x
  3. Step 3: Cross multiply
    71,378.02x = 107,082.06 × 27,003.80
  4. Step 4: Simplify right side
    71,378.02x = 2,891,622,531.83
  5. Step 5: Solve for x
    x = 2,891,622,531.83/71,378.02
  6. Step 6: Final answer
    x = 40,511.39

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1.5x scale

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.