Home / 40,991.93-61,491.48-12,535.31

Finding the Fourth Proportional to 40,991.93, 61,491.48 and 12,535.31

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Solution

The fourth proportional to 40,991.93, 61,491.48 and 12,535.31 is: 18,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,991.93 : 61,491.48 = 12,535.31 : x
  2. Step 2: Convert to fraction form
    40,991.93/61,491.48 = 12,535.31/x
  3. Step 3: Cross multiply
    40,991.93x = 61,491.48 × 12,535.31
  4. Step 4: Simplify right side
    40,991.93x = 770,814,456.70
  5. Step 5: Solve for x
    x = 770,814,456.70/40,991.93
  6. Step 6: Final answer
    x = 18,804.06

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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.