Home / 39,885.96-59,846.22-21,396.36

Finding the Fourth Proportional to 39,885.96, 59,846.22 and 21,396.36

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Solution

The fourth proportional to 39,885.96, 59,846.22 and 21,396.36 is: 32,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885.96 : 59,846.22 = 21,396.36 : x
  2. Step 2: Convert to fraction form
    39,885.96/59,846.22 = 21,396.36/x
  3. Step 3: Cross multiply
    39,885.96x = 59,846.22 × 21,396.36
  4. Step 4: Simplify right side
    39,885.96x = 1,280,491,267.76
  5. Step 5: Solve for x
    x = 1,280,491,267.76/39,885.96
  6. Step 6: Final answer
    x = 32,103.81

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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.