Home / 29,876.86-41,242.82-21,268.60

Finding the Fourth Proportional to 29,876.86, 41,242.82 and 21,268.60

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Solution

The fourth proportional to 29,876.86, 41,242.82 and 21,268.60 is: 29,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.86 : 41,242.82 = 21,268.60 : x
  2. Step 2: Convert to fraction form
    29,876.86/41,242.82 = 21,268.60/x
  3. Step 3: Cross multiply
    29,876.86x = 41,242.82 × 21,268.60
  4. Step 4: Simplify right side
    29,876.86x = 877,177,041.45
  5. Step 5: Solve for x
    x = 877,177,041.45/29,876.86
  6. Step 6: Final answer
    x = 29,359.75

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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.