Home / 49,720.39-74,552.78-16,431.52

Finding the Fourth Proportional to 49,720.39, 74,552.78 and 16,431.52

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Solution

The fourth proportional to 49,720.39, 74,552.78 and 16,431.52 is: 24,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.39 : 74,552.78 = 16,431.52 : x
  2. Step 2: Convert to fraction form
    49,720.39/74,552.78 = 16,431.52/x
  3. Step 3: Cross multiply
    49,720.39x = 74,552.78 × 16,431.52
  4. Step 4: Simplify right side
    49,720.39x = 1,225,015,122.86
  5. Step 5: Solve for x
    x = 1,225,015,122.86/49,720.39
  6. Step 6: Final answer
    x = 24,638.09

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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.