Home / 39,647.56-59,408.22-20,926.92

Finding the Fourth Proportional to 39,647.56, 59,408.22 and 20,926.92

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Solution

The fourth proportional to 39,647.56, 59,408.22 and 20,926.92 is: 31,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.56 : 59,408.22 = 20,926.92 : x
  2. Step 2: Convert to fraction form
    39,647.56/59,408.22 = 20,926.92/x
  3. Step 3: Cross multiply
    39,647.56x = 59,408.22 × 20,926.92
  4. Step 4: Simplify right side
    39,647.56x = 1,243,231,067.28
  5. Step 5: Solve for x
    x = 1,243,231,067.28/39,647.56
  6. Step 6: Final answer
    x = 31,357.06

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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.