Home / 50,865.52-70,193.16-28,204.60

Finding the Fourth Proportional to 50,865.52, 70,193.16 and 28,204.60

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Solution

The fourth proportional to 50,865.52, 70,193.16 and 28,204.60 is: 38,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,865.52 : 70,193.16 = 28,204.60 : x
  2. Step 2: Convert to fraction form
    50,865.52/70,193.16 = 28,204.60/x
  3. Step 3: Cross multiply
    50,865.52x = 70,193.16 × 28,204.60
  4. Step 4: Simplify right side
    50,865.52x = 1,979,770,000.54
  5. Step 5: Solve for x
    x = 1,979,770,000.54/50,865.52
  6. Step 6: Final answer
    x = 38,921.65

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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.