Home / 34,129.26-51,192.11-13,079.39

Finding the Fourth Proportional to 34,129.26, 51,192.11 and 13,079.39

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Solution

The fourth proportional to 34,129.26, 51,192.11 and 13,079.39 is: 19,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.26 : 51,192.11 = 13,079.39 : x
  2. Step 2: Convert to fraction form
    34,129.26/51,192.11 = 13,079.39/x
  3. Step 3: Cross multiply
    34,129.26x = 51,192.11 × 13,079.39
  4. Step 4: Simplify right side
    34,129.26x = 669,561,250.26
  5. Step 5: Solve for x
    x = 669,561,250.26/34,129.26
  6. Step 6: Final answer
    x = 19,618.39

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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.