Home / 50,697.48-69,961.24-28,037.72

Finding the Fourth Proportional to 50,697.48, 69,961.24 and 28,037.72

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Solution

The fourth proportional to 50,697.48, 69,961.24 and 28,037.72 is: 38,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.48 : 69,961.24 = 28,037.72 : x
  2. Step 2: Convert to fraction form
    50,697.48/69,961.24 = 28,037.72/x
  3. Step 3: Cross multiply
    50,697.48x = 69,961.24 × 28,037.72
  4. Step 4: Simplify right side
    50,697.48x = 1,961,553,657.97
  5. Step 5: Solve for x
    x = 1,961,553,657.97/50,697.48
  6. Step 6: Final answer
    x = 38,691.34

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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.