Home / 36,783.11-55,175.17-10,487.85

Finding the Fourth Proportional to 36,783.11, 55,175.17 and 10,487.85

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Solution

The fourth proportional to 36,783.11, 55,175.17 and 10,487.85 is: 15,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.11 : 55,175.17 = 10,487.85 : x
  2. Step 2: Convert to fraction form
    36,783.11/55,175.17 = 10,487.85/x
  3. Step 3: Cross multiply
    36,783.11x = 55,175.17 × 10,487.85
  4. Step 4: Simplify right side
    36,783.11x = 578,668,919.79
  5. Step 5: Solve for x
    x = 578,668,919.79/36,783.11
  6. Step 6: Final answer
    x = 15,731.92

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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.