Home / 31,185.29-43,033.68-17,038.13

Finding the Fourth Proportional to 31,185.29, 43,033.68 and 17,038.13

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Solution

The fourth proportional to 31,185.29, 43,033.68 and 17,038.13 is: 23,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.29 : 43,033.68 = 17,038.13 : x
  2. Step 2: Convert to fraction form
    31,185.29/43,033.68 = 17,038.13/x
  3. Step 3: Cross multiply
    31,185.29x = 43,033.68 × 17,038.13
  4. Step 4: Simplify right side
    31,185.29x = 733,213,219.05
  5. Step 5: Solve for x
    x = 733,213,219.05/31,185.29
  6. Step 6: Final answer
    x = 23,511.51

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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.