Home / 52,262.64-78,395.42-12,819.69

Finding the Fourth Proportional to 52,262.64, 78,395.42 and 12,819.69

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Solution

The fourth proportional to 52,262.64, 78,395.42 and 12,819.69 is: 19,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.64 : 78,395.42 = 12,819.69 : x
  2. Step 2: Convert to fraction form
    52,262.64/78,395.42 = 12,819.69/x
  3. Step 3: Cross multiply
    52,262.64x = 78,395.42 × 12,819.69
  4. Step 4: Simplify right side
    52,262.64x = 1,005,005,013.87
  5. Step 5: Solve for x
    x = 1,005,005,013.87/52,262.64
  6. Step 6: Final answer
    x = 19,229.89

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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.