Home / 31,314.81-43,214.34-17,167.66

Finding the Fourth Proportional to 31,314.81, 43,214.34 and 17,167.66

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Solution

The fourth proportional to 31,314.81, 43,214.34 and 17,167.66 is: 23,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.81 : 43,214.34 = 17,167.66 : x
  2. Step 2: Convert to fraction form
    31,314.81/43,214.34 = 17,167.66/x
  3. Step 3: Cross multiply
    31,314.81x = 43,214.34 × 17,167.66
  4. Step 4: Simplify right side
    31,314.81x = 741,889,096.24
  5. Step 5: Solve for x
    x = 741,889,096.24/31,314.81
  6. Step 6: Final answer
    x = 23,691.32

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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.