Home / 42,872.91-64,286.17-34,045.04

Finding the Fourth Proportional to 42,872.91, 64,286.17 and 34,045.04

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Solution

The fourth proportional to 42,872.91, 64,286.17 and 34,045.04 is: 51,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,872.91 : 64,286.17 = 34,045.04 : x
  2. Step 2: Convert to fraction form
    42,872.91/64,286.17 = 34,045.04/x
  3. Step 3: Cross multiply
    42,872.91x = 64,286.17 × 34,045.04
  4. Step 4: Simplify right side
    42,872.91x = 2,188,624,907.67
  5. Step 5: Solve for x
    x = 2,188,624,907.67/42,872.91
  6. Step 6: Final answer
    x = 51,049.13

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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.