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Finding the Fourth Proportional to 38,201, 57,227.36 and 21,510.12

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Solution

The fourth proportional to 38,201, 57,227.36 and 21,510.12 is: 32,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201 : 57,227.36 = 21,510.12 : x
  2. Step 2: Convert to fraction form
    38,201/57,227.36 = 21,510.12/x
  3. Step 3: Cross multiply
    38,201x = 57,227.36 × 21,510.12
  4. Step 4: Simplify right side
    38,201x = 1,230,967,380.88
  5. Step 5: Solve for x
    x = 1,230,967,380.88/38,201
  6. Step 6: Final answer
    x = 32,223.43

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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.