Home / 52,311.88-78,443.25-19,008.46

Finding the Fourth Proportional to 52,311.88, 78,443.25 and 19,008.46

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Solution

The fourth proportional to 52,311.88, 78,443.25 and 19,008.46 is: 28,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.88 : 78,443.25 = 19,008.46 : x
  2. Step 2: Convert to fraction form
    52,311.88/78,443.25 = 19,008.46/x
  3. Step 3: Cross multiply
    52,311.88x = 78,443.25 × 19,008.46
  4. Step 4: Simplify right side
    52,311.88x = 1,491,085,379.90
  5. Step 5: Solve for x
    x = 1,491,085,379.90/52,311.88
  6. Step 6: Final answer
    x = 28,503.76

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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.