Home / 31,317.06-43,217.24-17,169.87

Finding the Fourth Proportional to 31,317.06, 43,217.24 and 17,169.87

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Solution

The fourth proportional to 31,317.06, 43,217.24 and 17,169.87 is: 23,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.06 : 43,217.24 = 17,169.87 : x
  2. Step 2: Convert to fraction form
    31,317.06/43,217.24 = 17,169.87/x
  3. Step 3: Cross multiply
    31,317.06x = 43,217.24 × 17,169.87
  4. Step 4: Simplify right side
    31,317.06x = 742,034,306.71
  5. Step 5: Solve for x
    x = 742,034,306.71/31,317.06
  6. Step 6: Final answer
    x = 23,694.25

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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.