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Finding the Fourth Proportional to 50,205.60, 75,258.80 and 28,029.60

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Solution

The fourth proportional to 50,205.60, 75,258.80 and 28,029.60 is: 42,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,205.60 : 75,258.80 = 28,029.60 : x
  2. Step 2: Convert to fraction form
    50,205.60/75,258.80 = 28,029.60/x
  3. Step 3: Cross multiply
    50,205.60x = 75,258.80 × 28,029.60
  4. Step 4: Simplify right side
    50,205.60x = 2,109,474,060.48
  5. Step 5: Solve for x
    x = 2,109,474,060.48/50,205.60
  6. Step 6: Final answer
    x = 42,016.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.