Home / 39,489.40-59,205.30-16,103.80

Finding the Fourth Proportional to 39,489.40, 59,205.30 and 16,103.80

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Solution

The fourth proportional to 39,489.40, 59,205.30 and 16,103.80 is: 24,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.40 : 59,205.30 = 16,103.80 : x
  2. Step 2: Convert to fraction form
    39,489.40/59,205.30 = 16,103.80/x
  3. Step 3: Cross multiply
    39,489.40x = 59,205.30 × 16,103.80
  4. Step 4: Simplify right side
    39,489.40x = 953,430,310.14
  5. Step 5: Solve for x
    x = 953,430,310.14/39,489.40
  6. Step 6: Final answer
    x = 24,143.96

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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.