Home / 38,122.08-52,608.32-21,355.04

Finding the Fourth Proportional to 38,122.08, 52,608.32 and 21,355.04

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Solution

The fourth proportional to 38,122.08, 52,608.32 and 21,355.04 is: 29,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.08 : 52,608.32 = 21,355.04 : x
  2. Step 2: Convert to fraction form
    38,122.08/52,608.32 = 21,355.04/x
  3. Step 3: Cross multiply
    38,122.08x = 52,608.32 × 21,355.04
  4. Step 4: Simplify right side
    38,122.08x = 1,123,452,777.93
  5. Step 5: Solve for x
    x = 1,123,452,777.93/38,122.08
  6. Step 6: Final answer
    x = 29,469.87

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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.