Home / 36,015.71-49,701.57-20,100.02

Finding the Fourth Proportional to 36,015.71, 49,701.57 and 20,100.02

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Solution

The fourth proportional to 36,015.71, 49,701.57 and 20,100.02 is: 27,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.71 : 49,701.57 = 20,100.02 : x
  2. Step 2: Convert to fraction form
    36,015.71/49,701.57 = 20,100.02/x
  3. Step 3: Cross multiply
    36,015.71x = 49,701.57 × 20,100.02
  4. Step 4: Simplify right side
    36,015.71x = 999,002,551.03
  5. Step 5: Solve for x
    x = 999,002,551.03/36,015.71
  6. Step 6: Final answer
    x = 27,737.97

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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.