Home / 39,910.56-59,863.68-12,208.64

Finding the Fourth Proportional to 39,910.56, 59,863.68 and 12,208.64

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Solution

The fourth proportional to 39,910.56, 59,863.68 and 12,208.64 is: 18,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.56 : 59,863.68 = 12,208.64 : x
  2. Step 2: Convert to fraction form
    39,910.56/59,863.68 = 12,208.64/x
  3. Step 3: Cross multiply
    39,910.56x = 59,863.68 × 12,208.64
  4. Step 4: Simplify right side
    39,910.56x = 730,854,118.20
  5. Step 5: Solve for x
    x = 730,854,118.20/39,910.56
  6. Step 6: Final answer
    x = 18,312.30

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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.