Home / 36,399.22-54,604.19-18,639.92

Finding the Fourth Proportional to 36,399.22, 54,604.19 and 18,639.92

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Solution

The fourth proportional to 36,399.22, 54,604.19 and 18,639.92 is: 27,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.22 : 54,604.19 = 18,639.92 : x
  2. Step 2: Convert to fraction form
    36,399.22/54,604.19 = 18,639.92/x
  3. Step 3: Cross multiply
    36,399.22x = 54,604.19 × 18,639.92
  4. Step 4: Simplify right side
    36,399.22x = 1,017,817,916.38
  5. Step 5: Solve for x
    x = 1,017,817,916.38/36,399.22
  6. Step 6: Final answer
    x = 27,962.63

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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.