Home / 51,634.33-71,255.23-28,667.66

Finding the Fourth Proportional to 51,634.33, 71,255.23 and 28,667.66

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Solution

The fourth proportional to 51,634.33, 71,255.23 and 28,667.66 is: 39,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,634.33 : 71,255.23 = 28,667.66 : x
  2. Step 2: Convert to fraction form
    51,634.33/71,255.23 = 28,667.66/x
  3. Step 3: Cross multiply
    51,634.33x = 71,255.23 × 28,667.66
  4. Step 4: Simplify right side
    51,634.33x = 2,042,720,278.92
  5. Step 5: Solve for x
    x = 2,042,720,278.92/51,634.33
  6. Step 6: Final answer
    x = 39,561.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.