Home / 31,529.68-43,511.04-17,382.22

Finding the Fourth Proportional to 31,529.68, 43,511.04 and 17,382.22

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Solution

The fourth proportional to 31,529.68, 43,511.04 and 17,382.22 is: 23,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.68 : 43,511.04 = 17,382.22 : x
  2. Step 2: Convert to fraction form
    31,529.68/43,511.04 = 17,382.22/x
  3. Step 3: Cross multiply
    31,529.68x = 43,511.04 × 17,382.22
  4. Step 4: Simplify right side
    31,529.68x = 756,318,469.71
  5. Step 5: Solve for x
    x = 756,318,469.71/31,529.68
  6. Step 6: Final answer
    x = 23,987.51

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Half scale
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Double scale
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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.