Home / 51,984.75-71,738.96-28,111.43

Finding the Fourth Proportional to 51,984.75, 71,738.96 and 28,111.43

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Solution

The fourth proportional to 51,984.75, 71,738.96 and 28,111.43 is: 38,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.75 : 71,738.96 = 28,111.43 : x
  2. Step 2: Convert to fraction form
    51,984.75/71,738.96 = 28,111.43/x
  3. Step 3: Cross multiply
    51,984.75x = 71,738.96 × 28,111.43
  4. Step 4: Simplify right side
    51,984.75x = 2,016,684,253.06
  5. Step 5: Solve for x
    x = 2,016,684,253.06/51,984.75
  6. Step 6: Final answer
    x = 38,793.77

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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.