Home / 63,650.51-87,800.15-39,735.66

Finding the Fourth Proportional to 63,650.51, 87,800.15 and 39,735.66

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Solution

The fourth proportional to 63,650.51, 87,800.15 and 39,735.66 is: 54,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,650.51 : 87,800.15 = 39,735.66 : x
  2. Step 2: Convert to fraction form
    63,650.51/87,800.15 = 39,735.66/x
  3. Step 3: Cross multiply
    63,650.51x = 87,800.15 × 39,735.66
  4. Step 4: Simplify right side
    63,650.51x = 3,488,797,336.94
  5. Step 5: Solve for x
    x = 3,488,797,336.94/63,650.51
  6. Step 6: Final answer
    x = 54,811.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.