Home / 31,990.20-44,146.94-17,650.66

Finding the Fourth Proportional to 31,990.20, 44,146.94 and 17,650.66

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Solution

The fourth proportional to 31,990.20, 44,146.94 and 17,650.66 is: 24,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.20 : 44,146.94 = 17,650.66 : x
  2. Step 2: Convert to fraction form
    31,990.20/44,146.94 = 17,650.66/x
  3. Step 3: Cross multiply
    31,990.20x = 44,146.94 × 17,650.66
  4. Step 4: Simplify right side
    31,990.20x = 779,222,536.96
  5. Step 5: Solve for x
    x = 779,222,536.96/31,990.20
  6. Step 6: Final answer
    x = 24,358.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.