Home / 34,512.50-51,768.75-11,142.38

Finding the Fourth Proportional to 34,512.50, 51,768.75 and 11,142.38

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Solution

The fourth proportional to 34,512.50, 51,768.75 and 11,142.38 is: 16,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.50 : 51,768.75 = 11,142.38 : x
  2. Step 2: Convert to fraction form
    34,512.50/51,768.75 = 11,142.38/x
  3. Step 3: Cross multiply
    34,512.50x = 51,768.75 × 11,142.38
  4. Step 4: Simplify right side
    34,512.50x = 576,827,255.83
  5. Step 5: Solve for x
    x = 576,827,255.83/34,512.50
  6. Step 6: Final answer
    x = 16,713.57

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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.