Home / 38,016.47-57,076.43-21,388.22

Finding the Fourth Proportional to 38,016.47, 57,076.43 and 21,388.22

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Solution

The fourth proportional to 38,016.47, 57,076.43 and 21,388.22 is: 32,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.47 : 57,076.43 = 21,388.22 : x
  2. Step 2: Convert to fraction form
    38,016.47/57,076.43 = 21,388.22/x
  3. Step 3: Cross multiply
    38,016.47x = 57,076.43 × 21,388.22
  4. Step 4: Simplify right side
    38,016.47x = 1,220,763,241.65
  5. Step 5: Solve for x
    x = 1,220,763,241.65/38,016.47
  6. Step 6: Final answer
    x = 32,111.43

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1.5x scale

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.