Home / 31,906.76-47,882.04-11,130.26

Finding the Fourth Proportional to 31,906.76, 47,882.04 and 11,130.26

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Solution

The fourth proportional to 31,906.76, 47,882.04 and 11,130.26 is: 16,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.76 : 47,882.04 = 11,130.26 : x
  2. Step 2: Convert to fraction form
    31,906.76/47,882.04 = 11,130.26/x
  3. Step 3: Cross multiply
    31,906.76x = 47,882.04 × 11,130.26
  4. Step 4: Simplify right side
    31,906.76x = 532,939,554.53
  5. Step 5: Solve for x
    x = 532,939,554.53/31,906.76
  6. Step 6: Final answer
    x = 16,703.03

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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.