Home / 31,235.57-43,105.09-17,088.71

Finding the Fourth Proportional to 31,235.57, 43,105.09 and 17,088.71

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Solution

The fourth proportional to 31,235.57, 43,105.09 and 17,088.71 is: 23,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.57 : 43,105.09 = 17,088.71 : x
  2. Step 2: Convert to fraction form
    31,235.57/43,105.09 = 17,088.71/x
  3. Step 3: Cross multiply
    31,235.57x = 43,105.09 × 17,088.71
  4. Step 4: Simplify right side
    31,235.57x = 736,610,382.53
  5. Step 5: Solve for x
    x = 736,610,382.53/31,235.57
  6. Step 6: Final answer
    x = 23,582.43

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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.