Home / 29,879.33-41,216.38-18,681.89

Finding the Fourth Proportional to 29,879.33, 41,216.38 and 18,681.89

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Solution

The fourth proportional to 29,879.33, 41,216.38 and 18,681.89 is: 25,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,879.33 : 41,216.38 = 18,681.89 : x
  2. Step 2: Convert to fraction form
    29,879.33/41,216.38 = 18,681.89/x
  3. Step 3: Cross multiply
    29,879.33x = 41,216.38 × 18,681.89
  4. Step 4: Simplify right side
    29,879.33x = 769,999,877.36
  5. Step 5: Solve for x
    x = 769,999,877.36/29,879.33
  6. Step 6: Final answer
    x = 25,770.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.