Home / 51,265.20-76,874.67-21,667.80

Finding the Fourth Proportional to 51,265.20, 76,874.67 and 21,667.80

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Solution

The fourth proportional to 51,265.20, 76,874.67 and 21,667.80 is: 32,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.20 : 76,874.67 = 21,667.80 : x
  2. Step 2: Convert to fraction form
    51,265.20/76,874.67 = 21,667.80/x
  3. Step 3: Cross multiply
    51,265.20x = 76,874.67 × 21,667.80
  4. Step 4: Simplify right side
    51,265.20x = 1,665,704,974.63
  5. Step 5: Solve for x
    x = 1,665,704,974.63/51,265.20
  6. Step 6: Final answer
    x = 32,491.92

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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.