Home / 36,015.57-49,703.42-20,099.88

Finding the Fourth Proportional to 36,015.57, 49,703.42 and 20,099.88

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Solution

The fourth proportional to 36,015.57, 49,703.42 and 20,099.88 is: 27,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.57 : 49,703.42 = 20,099.88 : x
  2. Step 2: Convert to fraction form
    36,015.57/49,703.42 = 20,099.88/x
  3. Step 3: Cross multiply
    36,015.57x = 49,703.42 × 20,099.88
  4. Step 4: Simplify right side
    36,015.57x = 999,032,827.84
  5. Step 5: Solve for x
    x = 999,032,827.84/36,015.57
  6. Step 6: Final answer
    x = 27,738.91

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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.