Home / 34,689.25-52,041.17-13,912.75

Finding the Fourth Proportional to 34,689.25, 52,041.17 and 13,912.75

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Solution

The fourth proportional to 34,689.25, 52,041.17 and 13,912.75 is: 20,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.25 : 52,041.17 = 13,912.75 : x
  2. Step 2: Convert to fraction form
    34,689.25/52,041.17 = 13,912.75/x
  3. Step 3: Cross multiply
    34,689.25x = 52,041.17 × 13,912.75
  4. Step 4: Simplify right side
    34,689.25x = 724,035,787.92
  5. Step 5: Solve for x
    x = 724,035,787.92/34,689.25
  6. Step 6: Final answer
    x = 20,872.05

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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.