Home / 51,651.32-77,476.75-18,372.62

Finding the Fourth Proportional to 51,651.32, 77,476.75 and 18,372.62

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Solution

The fourth proportional to 51,651.32, 77,476.75 and 18,372.62 is: 27,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.32 : 77,476.75 = 18,372.62 : x
  2. Step 2: Convert to fraction form
    51,651.32/77,476.75 = 18,372.62/x
  3. Step 3: Cross multiply
    51,651.32x = 77,476.75 × 18,372.62
  4. Step 4: Simplify right side
    51,651.32x = 1,423,451,137.69
  5. Step 5: Solve for x
    x = 1,423,451,137.69/51,651.32
  6. Step 6: Final answer
    x = 27,558.85

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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.