Home / 38,222.72-52,745.56-21,228.06

Finding the Fourth Proportional to 38,222.72, 52,745.56 and 21,228.06

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Solution

The fourth proportional to 38,222.72, 52,745.56 and 21,228.06 is: 29,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.72 : 52,745.56 = 21,228.06 : x
  2. Step 2: Convert to fraction form
    38,222.72/52,745.56 = 21,228.06/x
  3. Step 3: Cross multiply
    38,222.72x = 52,745.56 × 21,228.06
  4. Step 4: Simplify right side
    38,222.72x = 1,119,685,912.41
  5. Step 5: Solve for x
    x = 1,119,685,912.41/38,222.72
  6. Step 6: Final answer
    x = 29,293.73

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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.