Home / 40,239.97-60,361.22-19,182.31

Finding the Fourth Proportional to 40,239.97, 60,361.22 and 19,182.31

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Solution

The fourth proportional to 40,239.97, 60,361.22 and 19,182.31 is: 28,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.97 : 60,361.22 = 19,182.31 : x
  2. Step 2: Convert to fraction form
    40,239.97/60,361.22 = 19,182.31/x
  3. Step 3: Cross multiply
    40,239.97x = 60,361.22 × 19,182.31
  4. Step 4: Simplify right side
    40,239.97x = 1,157,867,531.07
  5. Step 5: Solve for x
    x = 1,157,867,531.07/40,239.97
  6. Step 6: Final answer
    x = 28,774.07

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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.