Home / 43,376.06-65,073.66-18,437.42

Finding the Fourth Proportional to 43,376.06, 65,073.66 and 18,437.42

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Solution

The fourth proportional to 43,376.06, 65,073.66 and 18,437.42 is: 27,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,376.06 : 65,073.66 = 18,437.42 : x
  2. Step 2: Convert to fraction form
    43,376.06/65,073.66 = 18,437.42/x
  3. Step 3: Cross multiply
    43,376.06x = 65,073.66 × 18,437.42
  4. Step 4: Simplify right side
    43,376.06x = 1,199,790,074.99
  5. Step 5: Solve for x
    x = 1,199,790,074.99/43,376.06
  6. Step 6: Final answer
    x = 27,660.19

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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.