Home / 31,990.68-44,147.30-17,650.26

Finding the Fourth Proportional to 31,990.68, 44,147.30 and 17,650.26

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Solution

The fourth proportional to 31,990.68, 44,147.30 and 17,650.26 is: 24,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.68 : 44,147.30 = 17,650.26 : x
  2. Step 2: Convert to fraction form
    31,990.68/44,147.30 = 17,650.26/x
  3. Step 3: Cross multiply
    31,990.68x = 44,147.30 × 17,650.26
  4. Step 4: Simplify right side
    31,990.68x = 779,211,235.05
  5. Step 5: Solve for x
    x = 779,211,235.05/31,990.68
  6. Step 6: Final answer
    x = 24,357.45

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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.