Home / 35,936.40-49,587.68-20,019.68

Finding the Fourth Proportional to 35,936.40, 49,587.68 and 20,019.68

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Solution

The fourth proportional to 35,936.40, 49,587.68 and 20,019.68 is: 27,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.40 : 49,587.68 = 20,019.68 : x
  2. Step 2: Convert to fraction form
    35,936.40/49,587.68 = 20,019.68/x
  3. Step 3: Cross multiply
    35,936.40x = 49,587.68 × 20,019.68
  4. Step 4: Simplify right side
    35,936.40x = 992,729,485.54
  5. Step 5: Solve for x
    x = 992,729,485.54/35,936.40
  6. Step 6: Final answer
    x = 27,624.62

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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.