Home / 31,317.92-43,218.66-17,171.66

Finding the Fourth Proportional to 31,317.92, 43,218.66 and 17,171.66

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Solution

The fourth proportional to 31,317.92, 43,218.66 and 17,171.66 is: 23,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.92 : 43,218.66 = 17,171.66 : x
  2. Step 2: Convert to fraction form
    31,317.92/43,218.66 = 17,171.66/x
  3. Step 3: Cross multiply
    31,317.92x = 43,218.66 × 17,171.66
  4. Step 4: Simplify right side
    31,317.92x = 742,136,135.18
  5. Step 5: Solve for x
    x = 742,136,135.18/31,317.92
  6. Step 6: Final answer
    x = 23,696.85

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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.