Home / 48,878.64-73,296.36-20,797.56

Finding the Fourth Proportional to 48,878.64, 73,296.36 and 20,797.56

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Solution

The fourth proportional to 48,878.64, 73,296.36 and 20,797.56 is: 31,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878.64 : 73,296.36 = 20,797.56 : x
  2. Step 2: Convert to fraction form
    48,878.64/73,296.36 = 20,797.56/x
  3. Step 3: Cross multiply
    48,878.64x = 73,296.36 × 20,797.56
  4. Step 4: Simplify right side
    48,878.64x = 1,524,385,444.88
  5. Step 5: Solve for x
    x = 1,524,385,444.88/48,878.64
  6. Step 6: Final answer
    x = 31,187.15

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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.