Home / 31,275.80-43,163.69-17,849.08

Finding the Fourth Proportional to 31,275.80, 43,163.69 and 17,849.08

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Solution

The fourth proportional to 31,275.80, 43,163.69 and 17,849.08 is: 24,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.80 : 43,163.69 = 17,849.08 : x
  2. Step 2: Convert to fraction form
    31,275.80/43,163.69 = 17,849.08/x
  3. Step 3: Cross multiply
    31,275.80x = 43,163.69 × 17,849.08
  4. Step 4: Simplify right side
    31,275.80x = 770,432,025.68
  5. Step 5: Solve for x
    x = 770,432,025.68/31,275.80
  6. Step 6: Final answer
    x = 24,633.49

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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.