Home / 31,866.03-43,974.86-17,718.75

Finding the Fourth Proportional to 31,866.03, 43,974.86 and 17,718.75

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Solution

The fourth proportional to 31,866.03, 43,974.86 and 17,718.75 is: 24,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.03 : 43,974.86 = 17,718.75 : x
  2. Step 2: Convert to fraction form
    31,866.03/43,974.86 = 17,718.75/x
  3. Step 3: Cross multiply
    31,866.03x = 43,974.86 × 17,718.75
  4. Step 4: Simplify right side
    31,866.03x = 779,179,462.03
  5. Step 5: Solve for x
    x = 779,179,462.03/31,866.03
  6. Step 6: Final answer
    x = 24,451.73

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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.