Home / 43,317.11-64,977.42-13,734.29

Finding the Fourth Proportional to 43,317.11, 64,977.42 and 13,734.29

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Solution

The fourth proportional to 43,317.11, 64,977.42 and 13,734.29 is: 20,601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.11 : 64,977.42 = 13,734.29 : x
  2. Step 2: Convert to fraction form
    43,317.11/64,977.42 = 13,734.29/x
  3. Step 3: Cross multiply
    43,317.11x = 64,977.42 × 13,734.29
  4. Step 4: Simplify right side
    43,317.11x = 892,418,404.84
  5. Step 5: Solve for x
    x = 892,418,404.84/43,317.11
  6. Step 6: Final answer
    x = 20,601.99

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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.