Home / 51,591.98-71,212.14-33,689.78

Finding the Fourth Proportional to 51,591.98, 71,212.14 and 33,689.78

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Solution

The fourth proportional to 51,591.98, 71,212.14 and 33,689.78 is: 46,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.98 : 71,212.14 = 33,689.78 : x
  2. Step 2: Convert to fraction form
    51,591.98/71,212.14 = 33,689.78/x
  3. Step 3: Cross multiply
    51,591.98x = 71,212.14 × 33,689.78
  4. Step 4: Simplify right side
    51,591.98x = 2,399,121,329.93
  5. Step 5: Solve for x
    x = 2,399,121,329.93/51,591.98
  6. Step 6: Final answer
    x = 46,501.83

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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.