Home / 39,175.28-58,769.84-12,523.65

Finding the Fourth Proportional to 39,175.28, 58,769.84 and 12,523.65

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Solution

The fourth proportional to 39,175.28, 58,769.84 and 12,523.65 is: 18,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.28 : 58,769.84 = 12,523.65 : x
  2. Step 2: Convert to fraction form
    39,175.28/58,769.84 = 12,523.65/x
  3. Step 3: Cross multiply
    39,175.28x = 58,769.84 × 12,523.65
  4. Step 4: Simplify right side
    39,175.28x = 736,012,906.72
  5. Step 5: Solve for x
    x = 736,012,906.72/39,175.28
  6. Step 6: Final answer
    x = 18,787.69

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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.