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Finding the Fourth Proportional to 57,364.17, 85,949.17 and 35,131.11

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Solution

The fourth proportional to 57,364.17, 85,949.17 and 35,131.11 is: 52,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.17 : 85,949.17 = 35,131.11 : x
  2. Step 2: Convert to fraction form
    57,364.17/85,949.17 = 35,131.11/x
  3. Step 3: Cross multiply
    57,364.17x = 85,949.17 × 35,131.11
  4. Step 4: Simplify right side
    57,364.17x = 3,019,489,570.02
  5. Step 5: Solve for x
    x = 3,019,489,570.02/57,364.17
  6. Step 6: Final answer
    x = 52,637.20

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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.