Home / 38,239.54-52,772.32-21,243.80

Finding the Fourth Proportional to 38,239.54, 52,772.32 and 21,243.80

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Solution

The fourth proportional to 38,239.54, 52,772.32 and 21,243.80 is: 29,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.54 : 52,772.32 = 21,243.80 : x
  2. Step 2: Convert to fraction form
    38,239.54/52,772.32 = 21,243.80/x
  3. Step 3: Cross multiply
    38,239.54x = 52,772.32 × 21,243.80
  4. Step 4: Simplify right side
    38,239.54x = 1,121,084,611.62
  5. Step 5: Solve for x
    x = 1,121,084,611.62/38,239.54
  6. Step 6: Final answer
    x = 29,317.42

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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.