Home / 39,765.85-59,656.97-13,469.91

Finding the Fourth Proportional to 39,765.85, 59,656.97 and 13,469.91

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Solution

The fourth proportional to 39,765.85, 59,656.97 and 13,469.91 is: 20,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.85 : 59,656.97 = 13,469.91 : x
  2. Step 2: Convert to fraction form
    39,765.85/59,656.97 = 13,469.91/x
  3. Step 3: Cross multiply
    39,765.85x = 59,656.97 × 13,469.91
  4. Step 4: Simplify right side
    39,765.85x = 803,573,826.73
  5. Step 5: Solve for x
    x = 803,573,826.73/39,765.85
  6. Step 6: Final answer
    x = 20,207.64

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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.