Home / 36,078.91-49,787.98-20,163.47

Finding the Fourth Proportional to 36,078.91, 49,787.98 and 20,163.47

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Solution

The fourth proportional to 36,078.91, 49,787.98 and 20,163.47 is: 27,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.91 : 49,787.98 = 20,163.47 : x
  2. Step 2: Convert to fraction form
    36,078.91/49,787.98 = 20,163.47/x
  3. Step 3: Cross multiply
    36,078.91x = 49,787.98 × 20,163.47
  4. Step 4: Simplify right side
    36,078.91x = 1,003,898,441.09
  5. Step 5: Solve for x
    x = 1,003,898,441.09/36,078.91
  6. Step 6: Final answer
    x = 27,825.08

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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.