Home / 43,477.29-65,183.99-13,878.05

Finding the Fourth Proportional to 43,477.29, 65,183.99 and 13,878.05

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Solution

The fourth proportional to 43,477.29, 65,183.99 and 13,878.05 is: 20,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.29 : 65,183.99 = 13,878.05 : x
  2. Step 2: Convert to fraction form
    43,477.29/65,183.99 = 13,878.05/x
  3. Step 3: Cross multiply
    43,477.29x = 65,183.99 × 13,878.05
  4. Step 4: Simplify right side
    43,477.29x = 904,626,277.11
  5. Step 5: Solve for x
    x = 904,626,277.11/43,477.29
  6. Step 6: Final answer
    x = 20,806.87

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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.