Home / 43,401.46-65,107-13,812.44

Finding the Fourth Proportional to 43,401.46, 65,107 and 13,812.44

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Solution

The fourth proportional to 43,401.46, 65,107 and 13,812.44 is: 20,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.46 : 65,107 = 13,812.44 : x
  2. Step 2: Convert to fraction form
    43,401.46/65,107 = 13,812.44/x
  3. Step 3: Cross multiply
    43,401.46x = 65,107 × 13,812.44
  4. Step 4: Simplify right side
    43,401.46x = 899,286,531.08
  5. Step 5: Solve for x
    x = 899,286,531.08/43,401.46
  6. Step 6: Final answer
    x = 20,720.19

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1.5x scale

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.