Home / 48,408.24-72,616.84-18,828.32

Finding the Fourth Proportional to 48,408.24, 72,616.84 and 18,828.32

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Solution

The fourth proportional to 48,408.24, 72,616.84 and 18,828.32 is: 28,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.24 : 72,616.84 = 18,828.32 : x
  2. Step 2: Convert to fraction form
    48,408.24/72,616.84 = 18,828.32/x
  3. Step 3: Cross multiply
    48,408.24x = 72,616.84 × 18,828.32
  4. Step 4: Simplify right side
    48,408.24x = 1,367,253,100.91
  5. Step 5: Solve for x
    x = 1,367,253,100.91/48,408.24
  6. Step 6: Final answer
    x = 28,244.22

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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.