Home / 34,079.76-51,126.16-11,899.52

Finding the Fourth Proportional to 34,079.76, 51,126.16 and 11,899.52

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Solution

The fourth proportional to 34,079.76, 51,126.16 and 11,899.52 is: 17,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.76 : 51,126.16 = 11,899.52 : x
  2. Step 2: Convert to fraction form
    34,079.76/51,126.16 = 11,899.52/x
  3. Step 3: Cross multiply
    34,079.76x = 51,126.16 × 11,899.52
  4. Step 4: Simplify right side
    34,079.76x = 608,376,763.44
  5. Step 5: Solve for x
    x = 608,376,763.44/34,079.76
  6. Step 6: Final answer
    x = 17,851.56

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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.