Home / 34,543.68-51,813.17-13,479.83

Finding the Fourth Proportional to 34,543.68, 51,813.17 and 13,479.83

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Solution

The fourth proportional to 34,543.68, 51,813.17 and 13,479.83 is: 20,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.68 : 51,813.17 = 13,479.83 : x
  2. Step 2: Convert to fraction form
    34,543.68/51,813.17 = 13,479.83/x
  3. Step 3: Cross multiply
    34,543.68x = 51,813.17 × 13,479.83
  4. Step 4: Simplify right side
    34,543.68x = 698,432,396.90
  5. Step 5: Solve for x
    x = 698,432,396.90/34,543.68
  6. Step 6: Final answer
    x = 20,218.82

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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.