Home / 31,231.26-43,098.03-17,806.84

Finding the Fourth Proportional to 31,231.26, 43,098.03 and 17,806.84

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Solution

The fourth proportional to 31,231.26, 43,098.03 and 17,806.84 is: 24,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.26 : 43,098.03 = 17,806.84 : x
  2. Step 2: Convert to fraction form
    31,231.26/43,098.03 = 17,806.84/x
  3. Step 3: Cross multiply
    31,231.26x = 43,098.03 × 17,806.84
  4. Step 4: Simplify right side
    31,231.26x = 767,439,616.78
  5. Step 5: Solve for x
    x = 767,439,616.78/31,231.26
  6. Step 6: Final answer
    x = 24,572.80

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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.