Home / 51,993.72-71,751.33-28,120.39

Finding the Fourth Proportional to 51,993.72, 71,751.33 and 28,120.39

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Solution

The fourth proportional to 51,993.72, 71,751.33 and 28,120.39 is: 38,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.72 : 71,751.33 = 28,120.39 : x
  2. Step 2: Convert to fraction form
    51,993.72/71,751.33 = 28,120.39/x
  3. Step 3: Cross multiply
    51,993.72x = 71,751.33 × 28,120.39
  4. Step 4: Simplify right side
    51,993.72x = 2,017,675,382.62
  5. Step 5: Solve for x
    x = 2,017,675,382.62/51,993.72
  6. Step 6: Final answer
    x = 38,806.14

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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.