Home / 50,539.52-69,737.60-28,179.20

Finding the Fourth Proportional to 50,539.52, 69,737.60 and 28,179.20

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Solution

The fourth proportional to 50,539.52, 69,737.60 and 28,179.20 is: 38,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,539.52 : 69,737.60 = 28,179.20 : x
  2. Step 2: Convert to fraction form
    50,539.52/69,737.60 = 28,179.20/x
  3. Step 3: Cross multiply
    50,539.52x = 69,737.60 × 28,179.20
  4. Step 4: Simplify right side
    50,539.52x = 1,965,149,777.92
  5. Step 5: Solve for x
    x = 1,965,149,777.92/50,539.52
  6. Step 6: Final answer
    x = 38,883.43

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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.