Home / 41,162.53-61,754.05-18,991.36

Finding the Fourth Proportional to 41,162.53, 61,754.05 and 18,991.36

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Solution

The fourth proportional to 41,162.53, 61,754.05 and 18,991.36 is: 28,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,162.53 : 61,754.05 = 18,991.36 : x
  2. Step 2: Convert to fraction form
    41,162.53/61,754.05 = 18,991.36/x
  3. Step 3: Cross multiply
    41,162.53x = 61,754.05 × 18,991.36
  4. Step 4: Simplify right side
    41,162.53x = 1,172,793,389.11
  5. Step 5: Solve for x
    x = 1,172,793,389.11/41,162.53
  6. Step 6: Final answer
    x = 28,491.77

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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.