Home / 20,744.24-31,116.53-5,953.62

Finding the Fourth Proportional to 20,744.24, 31,116.53 and 5,953.62

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Solution

The fourth proportional to 20,744.24, 31,116.53 and 5,953.62 is: 8,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.24 : 31,116.53 = 5,953.62 : x
  2. Step 2: Convert to fraction form
    20,744.24/31,116.53 = 5,953.62/x
  3. Step 3: Cross multiply
    20,744.24x = 31,116.53 × 5,953.62
  4. Step 4: Simplify right side
    20,744.24x = 185,255,965.57
  5. Step 5: Solve for x
    x = 185,255,965.57/20,744.24
  6. Step 6: Final answer
    x = 8,930.48

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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.