Home / 48,408.74-72,596.69-18,415.86

Finding the Fourth Proportional to 48,408.74, 72,596.69 and 18,415.86

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Solution

The fourth proportional to 48,408.74, 72,596.69 and 18,415.86 is: 27,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.74 : 72,596.69 = 18,415.86 : x
  2. Step 2: Convert to fraction form
    48,408.74/72,596.69 = 18,415.86/x
  3. Step 3: Cross multiply
    48,408.74x = 72,596.69 × 18,415.86
  4. Step 4: Simplify right side
    48,408.74x = 1,336,930,184.25
  5. Step 5: Solve for x
    x = 1,336,930,184.25/48,408.74
  6. Step 6: Final answer
    x = 27,617.54

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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.