Home / 31,761.29-47,670.49-16,982.84

Finding the Fourth Proportional to 31,761.29, 47,670.49 and 16,982.84

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Solution

The fourth proportional to 31,761.29, 47,670.49 and 16,982.84 is: 25,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.29 : 47,670.49 = 16,982.84 : x
  2. Step 2: Convert to fraction form
    31,761.29/47,670.49 = 16,982.84/x
  3. Step 3: Cross multiply
    31,761.29x = 47,670.49 × 16,982.84
  4. Step 4: Simplify right side
    31,761.29x = 809,580,304.39
  5. Step 5: Solve for x
    x = 809,580,304.39/31,761.29
  6. Step 6: Final answer
    x = 25,489.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.