Home / 31,309.29-43,207.43-17,161.29

Finding the Fourth Proportional to 31,309.29, 43,207.43 and 17,161.29

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Solution

The fourth proportional to 31,309.29, 43,207.43 and 17,161.29 is: 23,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.29 : 43,207.43 = 17,161.29 : x
  2. Step 2: Convert to fraction form
    31,309.29/43,207.43 = 17,161.29/x
  3. Step 3: Cross multiply
    31,309.29x = 43,207.43 × 17,161.29
  4. Step 4: Simplify right side
    31,309.29x = 741,495,150.58
  5. Step 5: Solve for x
    x = 741,495,150.58/31,309.29
  6. Step 6: Final answer
    x = 23,682.91

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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.