Home / 29,663.05-44,468.74-12,121.69

Finding the Fourth Proportional to 29,663.05, 44,468.74 and 12,121.69

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Solution

The fourth proportional to 29,663.05, 44,468.74 and 12,121.69 is: 18,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.05 : 44,468.74 = 12,121.69 : x
  2. Step 2: Convert to fraction form
    29,663.05/44,468.74 = 12,121.69/x
  3. Step 3: Cross multiply
    29,663.05x = 44,468.74 × 12,121.69
  4. Step 4: Simplify right side
    29,663.05x = 539,036,280.97
  5. Step 5: Solve for x
    x = 539,036,280.97/29,663.05
  6. Step 6: Final answer
    x = 18,171.98

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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.