Home / 31,578.75-43,576.61-17,431.47

Finding the Fourth Proportional to 31,578.75, 43,576.61 and 17,431.47

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Solution

The fourth proportional to 31,578.75, 43,576.61 and 17,431.47 is: 24,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.75 : 43,576.61 = 17,431.47 : x
  2. Step 2: Convert to fraction form
    31,578.75/43,576.61 = 17,431.47/x
  3. Step 3: Cross multiply
    31,578.75x = 43,576.61 × 17,431.47
  4. Step 4: Simplify right side
    31,578.75x = 759,604,282.76
  5. Step 5: Solve for x
    x = 759,604,282.76/31,578.75
  6. Step 6: Final answer
    x = 24,054.29

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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.