Home / 34,154.95-51,255.43-11,968.51

Finding the Fourth Proportional to 34,154.95, 51,255.43 and 11,968.51

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Solution

The fourth proportional to 34,154.95, 51,255.43 and 11,968.51 is: 17,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.95 : 51,255.43 = 11,968.51 : x
  2. Step 2: Convert to fraction form
    34,154.95/51,255.43 = 11,968.51/x
  3. Step 3: Cross multiply
    34,154.95x = 51,255.43 × 11,968.51
  4. Step 4: Simplify right side
    34,154.95x = 613,451,126.51
  5. Step 5: Solve for x
    x = 613,451,126.51/34,154.95
  6. Step 6: Final answer
    x = 17,960.83

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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.