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Finding the Fourth Proportional to 57,995.40, 80,072.20 and 44,542.62

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Solution

The fourth proportional to 57,995.40, 80,072.20 and 44,542.62 is: 61,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.40 : 80,072.20 = 44,542.62 : x
  2. Step 2: Convert to fraction form
    57,995.40/80,072.20 = 44,542.62/x
  3. Step 3: Cross multiply
    57,995.40x = 80,072.20 × 44,542.62
  4. Step 4: Simplify right side
    57,995.40x = 3,566,625,577.16
  5. Step 5: Solve for x
    x = 3,566,625,577.16/57,995.40
  6. Step 6: Final answer
    x = 61,498.42

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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.