Home / 29,987.11-44,972.83-8,921.49

Finding the Fourth Proportional to 29,987.11, 44,972.83 and 8,921.49

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Solution

The fourth proportional to 29,987.11, 44,972.83 and 8,921.49 is: 13,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.11 : 44,972.83 = 8,921.49 : x
  2. Step 2: Convert to fraction form
    29,987.11/44,972.83 = 8,921.49/x
  3. Step 3: Cross multiply
    29,987.11x = 44,972.83 × 8,921.49
  4. Step 4: Simplify right side
    29,987.11x = 401,224,653.12
  5. Step 5: Solve for x
    x = 401,224,653.12/29,987.11
  6. Step 6: Final answer
    x = 13,379.90

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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.