Home / 50,317.11-75,510.51-18,756

Finding the Fourth Proportional to 50,317.11, 75,510.51 and 18,756

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Solution

The fourth proportional to 50,317.11, 75,510.51 and 18,756 is: 28,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.11 : 75,510.51 = 18,756 : x
  2. Step 2: Convert to fraction form
    50,317.11/75,510.51 = 18,756/x
  3. Step 3: Cross multiply
    50,317.11x = 75,510.51 × 18,756
  4. Step 4: Simplify right side
    50,317.11x = 1,416,275,125.56
  5. Step 5: Solve for x
    x = 1,416,275,125.56/50,317.11
  6. Step 6: Final answer
    x = 28,146.99

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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.