Home / 34,140.88-51,180.09-28,909.54

Finding the Fourth Proportional to 34,140.88, 51,180.09 and 28,909.54

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Solution

The fourth proportional to 34,140.88, 51,180.09 and 28,909.54 is: 43,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.88 : 51,180.09 = 28,909.54 : x
  2. Step 2: Convert to fraction form
    34,140.88/51,180.09 = 28,909.54/x
  3. Step 3: Cross multiply
    34,140.88x = 51,180.09 × 28,909.54
  4. Step 4: Simplify right side
    34,140.88x = 1,479,592,859.06
  5. Step 5: Solve for x
    x = 1,479,592,859.06/34,140.88
  6. Step 6: Final answer
    x = 43,337.87

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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.