Home / 38,222.97-52,745.90-21,228.30

Finding the Fourth Proportional to 38,222.97, 52,745.90 and 21,228.30

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Solution

The fourth proportional to 38,222.97, 52,745.90 and 21,228.30 is: 29,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.97 : 52,745.90 = 21,228.30 : x
  2. Step 2: Convert to fraction form
    38,222.97/52,745.90 = 21,228.30/x
  3. Step 3: Cross multiply
    38,222.97x = 52,745.90 × 21,228.30
  4. Step 4: Simplify right side
    38,222.97x = 1,119,705,682.83
  5. Step 5: Solve for x
    x = 1,119,705,682.83/38,222.97
  6. Step 6: Final answer
    x = 29,294.05

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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.