Home / 40,236.86-60,387.19-21,274.97

Finding the Fourth Proportional to 40,236.86, 60,387.19 and 21,274.97

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Solution

The fourth proportional to 40,236.86, 60,387.19 and 21,274.97 is: 31,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,236.86 : 60,387.19 = 21,274.97 : x
  2. Step 2: Convert to fraction form
    40,236.86/60,387.19 = 21,274.97/x
  3. Step 3: Cross multiply
    40,236.86x = 60,387.19 × 21,274.97
  4. Step 4: Simplify right side
    40,236.86x = 1,284,735,300.51
  5. Step 5: Solve for x
    x = 1,284,735,300.51/40,236.86
  6. Step 6: Final answer
    x = 31,929.31

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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.