Home / 36,015.28-49,699.07-20,100.76

Finding the Fourth Proportional to 36,015.28, 49,699.07 and 20,100.76

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Solution

The fourth proportional to 36,015.28, 49,699.07 and 20,100.76 is: 27,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.28 : 49,699.07 = 20,100.76 : x
  2. Step 2: Convert to fraction form
    36,015.28/49,699.07 = 20,100.76/x
  3. Step 3: Cross multiply
    36,015.28x = 49,699.07 × 20,100.76
  4. Step 4: Simplify right side
    36,015.28x = 998,988,928.92
  5. Step 5: Solve for x
    x = 998,988,928.92/36,015.28
  6. Step 6: Final answer
    x = 27,737.92

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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.