Home / 31,625.80-43,642.98-17,479.24

Finding the Fourth Proportional to 31,625.80, 43,642.98 and 17,479.24

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Solution

The fourth proportional to 31,625.80, 43,642.98 and 17,479.24 is: 24,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.80 : 43,642.98 = 17,479.24 : x
  2. Step 2: Convert to fraction form
    31,625.80/43,642.98 = 17,479.24/x
  3. Step 3: Cross multiply
    31,625.80x = 43,642.98 × 17,479.24
  4. Step 4: Simplify right side
    31,625.80x = 762,846,121.74
  5. Step 5: Solve for x
    x = 762,846,121.74/31,625.80
  6. Step 6: Final answer
    x = 24,121.01

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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.