Home / 40,232.36-60,380.44-21,270.47

Finding the Fourth Proportional to 40,232.36, 60,380.44 and 21,270.47

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Solution

The fourth proportional to 40,232.36, 60,380.44 and 21,270.47 is: 31,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,232.36 : 60,380.44 = 21,270.47 : x
  2. Step 2: Convert to fraction form
    40,232.36/60,380.44 = 21,270.47/x
  3. Step 3: Cross multiply
    40,232.36x = 60,380.44 × 21,270.47
  4. Step 4: Simplify right side
    40,232.36x = 1,284,319,982.53
  5. Step 5: Solve for x
    x = 1,284,319,982.53/40,232.36
  6. Step 6: Final answer
    x = 31,922.56

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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.