Home / 36,069.21-49,776.39-20,154.69

Finding the Fourth Proportional to 36,069.21, 49,776.39 and 20,154.69

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Solution

The fourth proportional to 36,069.21, 49,776.39 and 20,154.69 is: 27,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.21 : 49,776.39 = 20,154.69 : x
  2. Step 2: Convert to fraction form
    36,069.21/49,776.39 = 20,154.69/x
  3. Step 3: Cross multiply
    36,069.21x = 49,776.39 × 20,154.69
  4. Step 4: Simplify right side
    36,069.21x = 1,003,227,709.77
  5. Step 5: Solve for x
    x = 1,003,227,709.77/36,069.21
  6. Step 6: Final answer
    x = 27,813.96

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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.