Home / 51,993.41-71,750.91-28,120.08

Finding the Fourth Proportional to 51,993.41, 71,750.91 and 28,120.08

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Solution

The fourth proportional to 51,993.41, 71,750.91 and 28,120.08 is: 38,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.41 : 71,750.91 = 28,120.08 : x
  2. Step 2: Convert to fraction form
    51,993.41/71,750.91 = 28,120.08/x
  3. Step 3: Cross multiply
    51,993.41x = 71,750.91 × 28,120.08
  4. Step 4: Simplify right side
    51,993.41x = 2,017,641,329.27
  5. Step 5: Solve for x
    x = 2,017,641,329.27/51,993.41
  6. Step 6: Final answer
    x = 38,805.71

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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.