Home / 50,587.75-69,811.37-28,231.75

Finding the Fourth Proportional to 50,587.75, 69,811.37 and 28,231.75

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Solution

The fourth proportional to 50,587.75, 69,811.37 and 28,231.75 is: 38,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,587.75 : 69,811.37 = 28,231.75 : x
  2. Step 2: Convert to fraction form
    50,587.75/69,811.37 = 28,231.75/x
  3. Step 3: Cross multiply
    50,587.75x = 69,811.37 × 28,231.75
  4. Step 4: Simplify right side
    50,587.75x = 1,970,897,145.00
  5. Step 5: Solve for x
    x = 1,970,897,145.00/50,587.75
  6. Step 6: Final answer
    x = 38,959.97

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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.