Home / 36,029.72-49,720.81-20,926.09

Finding the Fourth Proportional to 36,029.72, 49,720.81 and 20,926.09

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Solution

The fourth proportional to 36,029.72, 49,720.81 and 20,926.09 is: 28,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.72 : 49,720.81 = 20,926.09 : x
  2. Step 2: Convert to fraction form
    36,029.72/49,720.81 = 20,926.09/x
  3. Step 3: Cross multiply
    36,029.72x = 49,720.81 × 20,926.09
  4. Step 4: Simplify right side
    36,029.72x = 1,040,462,144.93
  5. Step 5: Solve for x
    x = 1,040,462,144.93/36,029.72
  6. Step 6: Final answer
    x = 28,877.89

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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.