Home / 43,391.57-65,096.06-18,431.42

Finding the Fourth Proportional to 43,391.57, 65,096.06 and 18,431.42

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Solution

The fourth proportional to 43,391.57, 65,096.06 and 18,431.42 is: 27,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.57 : 65,096.06 = 18,431.42 : x
  2. Step 2: Convert to fraction form
    43,391.57/65,096.06 = 18,431.42/x
  3. Step 3: Cross multiply
    43,391.57x = 65,096.06 × 18,431.42
  4. Step 4: Simplify right side
    43,391.57x = 1,199,812,404.57
  5. Step 5: Solve for x
    x = 1,199,812,404.57/43,391.57
  6. Step 6: Final answer
    x = 27,650.82

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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.