Home / 52,509.43-78,732.33-20,924.29

Finding the Fourth Proportional to 52,509.43, 78,732.33 and 20,924.29

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Solution

The fourth proportional to 52,509.43, 78,732.33 and 20,924.29 is: 31,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509.43 : 78,732.33 = 20,924.29 : x
  2. Step 2: Convert to fraction form
    52,509.43/78,732.33 = 20,924.29/x
  3. Step 3: Cross multiply
    52,509.43x = 78,732.33 × 20,924.29
  4. Step 4: Simplify right side
    52,509.43x = 1,647,418,105.30
  5. Step 5: Solve for x
    x = 1,647,418,105.30/52,509.43
  6. Step 6: Final answer
    x = 31,373.76

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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.