Home / 36,171.87-49,919.55-20,257.35

Finding the Fourth Proportional to 36,171.87, 49,919.55 and 20,257.35

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Solution

The fourth proportional to 36,171.87, 49,919.55 and 20,257.35 is: 27,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.87 : 49,919.55 = 20,257.35 : x
  2. Step 2: Convert to fraction form
    36,171.87/49,919.55 = 20,257.35/x
  3. Step 3: Cross multiply
    36,171.87x = 49,919.55 × 20,257.35
  4. Step 4: Simplify right side
    36,171.87x = 1,011,237,796.19
  5. Step 5: Solve for x
    x = 1,011,237,796.19/36,171.87
  6. Step 6: Final answer
    x = 27,956.47

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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.