Home / 35,121.79-52,687.92-12,933.46

Finding the Fourth Proportional to 35,121.79, 52,687.92 and 12,933.46

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Solution

The fourth proportional to 35,121.79, 52,687.92 and 12,933.46 is: 19,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.79 : 52,687.92 = 12,933.46 : x
  2. Step 2: Convert to fraction form
    35,121.79/52,687.92 = 12,933.46/x
  3. Step 3: Cross multiply
    35,121.79x = 52,687.92 × 12,933.46
  4. Step 4: Simplify right side
    35,121.79x = 681,437,105.80
  5. Step 5: Solve for x
    x = 681,437,105.80/35,121.79
  6. Step 6: Final answer
    x = 19,402.12

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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.