Home / 31,187.26-43,038.33-17,040.22

Finding the Fourth Proportional to 31,187.26, 43,038.33 and 17,040.22

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Solution

The fourth proportional to 31,187.26, 43,038.33 and 17,040.22 is: 23,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.26 : 43,038.33 = 17,040.22 : x
  2. Step 2: Convert to fraction form
    31,187.26/43,038.33 = 17,040.22/x
  3. Step 3: Cross multiply
    31,187.26x = 43,038.33 × 17,040.22
  4. Step 4: Simplify right side
    31,187.26x = 733,382,611.63
  5. Step 5: Solve for x
    x = 733,382,611.63/31,187.26
  6. Step 6: Final answer
    x = 23,515.46

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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.