Home / 39,813.85-59,722.86-10,231.88

Finding the Fourth Proportional to 39,813.85, 59,722.86 and 10,231.88

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Solution

The fourth proportional to 39,813.85, 59,722.86 and 10,231.88 is: 15,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.85 : 59,722.86 = 10,231.88 : x
  2. Step 2: Convert to fraction form
    39,813.85/59,722.86 = 10,231.88/x
  3. Step 3: Cross multiply
    39,813.85x = 59,722.86 × 10,231.88
  4. Step 4: Simplify right side
    39,813.85x = 611,077,136.78
  5. Step 5: Solve for x
    x = 611,077,136.78/39,813.85
  6. Step 6: Final answer
    x = 15,348.36

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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.