Home / 36,251.72-54,399.11-19,611.38

Finding the Fourth Proportional to 36,251.72, 54,399.11 and 19,611.38

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Solution

The fourth proportional to 36,251.72, 54,399.11 and 19,611.38 is: 29,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251.72 : 54,399.11 = 19,611.38 : x
  2. Step 2: Convert to fraction form
    36,251.72/54,399.11 = 19,611.38/x
  3. Step 3: Cross multiply
    36,251.72x = 54,399.11 × 19,611.38
  4. Step 4: Simplify right side
    36,251.72x = 1,066,841,655.81
  5. Step 5: Solve for x
    x = 1,066,841,655.81/36,251.72
  6. Step 6: Final answer
    x = 29,428.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.