Home / 31,283.49-43,171.92-17,854.48

Finding the Fourth Proportional to 31,283.49, 43,171.92 and 17,854.48

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Solution

The fourth proportional to 31,283.49, 43,171.92 and 17,854.48 is: 24,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.49 : 43,171.92 = 17,854.48 : x
  2. Step 2: Convert to fraction form
    31,283.49/43,171.92 = 17,854.48/x
  3. Step 3: Cross multiply
    31,283.49x = 43,171.92 × 17,854.48
  4. Step 4: Simplify right side
    31,283.49x = 770,812,040.79
  5. Step 5: Solve for x
    x = 770,812,040.79/31,283.49
  6. Step 6: Final answer
    x = 24,639.58

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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.