Home / 38,083.72-52,449.78-35,128.84

Finding the Fourth Proportional to 38,083.72, 52,449.78 and 35,128.84

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Solution

The fourth proportional to 38,083.72, 52,449.78 and 35,128.84 is: 48,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.72 : 52,449.78 = 35,128.84 : x
  2. Step 2: Convert to fraction form
    38,083.72/52,449.78 = 35,128.84/x
  3. Step 3: Cross multiply
    38,083.72x = 52,449.78 × 35,128.84
  4. Step 4: Simplify right side
    38,083.72x = 1,842,499,929.66
  5. Step 5: Solve for x
    x = 1,842,499,929.66/38,083.72
  6. Step 6: Final answer
    x = 48,380.25

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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.