Home / 36,133.31-49,863.98-20,220.84

Finding the Fourth Proportional to 36,133.31, 49,863.98 and 20,220.84

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Solution

The fourth proportional to 36,133.31, 49,863.98 and 20,220.84 is: 27,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,133.31 : 49,863.98 = 20,220.84 : x
  2. Step 2: Convert to fraction form
    36,133.31/49,863.98 = 20,220.84/x
  3. Step 3: Cross multiply
    36,133.31x = 49,863.98 × 20,220.84
  4. Step 4: Simplify right side
    36,133.31x = 1,008,291,611.90
  5. Step 5: Solve for x
    x = 1,008,291,611.90/36,133.31
  6. Step 6: Final answer
    x = 27,904.77

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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.