Home / 38,152.54-52,650.62-21,157.99

Finding the Fourth Proportional to 38,152.54, 52,650.62 and 21,157.99

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Solution

The fourth proportional to 38,152.54, 52,650.62 and 21,157.99 is: 29,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.54 : 52,650.62 = 21,157.99 : x
  2. Step 2: Convert to fraction form
    38,152.54/52,650.62 = 21,157.99/x
  3. Step 3: Cross multiply
    38,152.54x = 52,650.62 × 21,157.99
  4. Step 4: Simplify right side
    38,152.54x = 1,113,981,291.45
  5. Step 5: Solve for x
    x = 1,113,981,291.45/38,152.54
  6. Step 6: Final answer
    x = 29,198.09

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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.