Home / 31,907.50-47,883.17-11,131

Finding the Fourth Proportional to 31,907.50, 47,883.17 and 11,131

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Solution

The fourth proportional to 31,907.50, 47,883.17 and 11,131 is: 16,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.50 : 47,883.17 = 11,131 : x
  2. Step 2: Convert to fraction form
    31,907.50/47,883.17 = 11,131/x
  3. Step 3: Cross multiply
    31,907.50x = 47,883.17 × 11,131
  4. Step 4: Simplify right side
    31,907.50x = 532,987,509.62
  5. Step 5: Solve for x
    x = 532,987,509.62/31,907.50
  6. Step 6: Final answer
    x = 16,704.15

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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.