Home / 51,572.70-77,286.06-21,960.72

Finding the Fourth Proportional to 51,572.70, 77,286.06 and 21,960.72

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Solution

The fourth proportional to 51,572.70, 77,286.06 and 21,960.72 is: 32,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.70 : 77,286.06 = 21,960.72 : x
  2. Step 2: Convert to fraction form
    51,572.70/77,286.06 = 21,960.72/x
  3. Step 3: Cross multiply
    51,572.70x = 77,286.06 × 21,960.72
  4. Step 4: Simplify right side
    51,572.70x = 1,697,257,523.56
  5. Step 5: Solve for x
    x = 1,697,257,523.56/51,572.70
  6. Step 6: Final answer
    x = 32,910.00

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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.