Home / 31,761.04-47,648.76-10,984.72

Finding the Fourth Proportional to 31,761.04, 47,648.76 and 10,984.72

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Solution

The fourth proportional to 31,761.04, 47,648.76 and 10,984.72 is: 16,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.04 : 47,648.76 = 10,984.72 : x
  2. Step 2: Convert to fraction form
    31,761.04/47,648.76 = 10,984.72/x
  3. Step 3: Cross multiply
    31,761.04x = 47,648.76 × 10,984.72
  4. Step 4: Simplify right side
    31,761.04x = 523,408,286.95
  5. Step 5: Solve for x
    x = 523,408,286.95/31,761.04
  6. Step 6: Final answer
    x = 16,479.57

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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.