Home / 87,636.45-131,398.52-37,021.72

Finding the Fourth Proportional to 87,636.45, 131,398.52 and 37,021.72

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Solution

The fourth proportional to 87,636.45, 131,398.52 and 37,021.72 is: 55,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636.45 : 131,398.52 = 37,021.72 : x
  2. Step 2: Convert to fraction form
    87,636.45/131,398.52 = 37,021.72/x
  3. Step 3: Cross multiply
    87,636.45x = 131,398.52 × 37,021.72
  4. Step 4: Simplify right side
    87,636.45x = 4,864,599,215.85
  5. Step 5: Solve for x
    x = 4,864,599,215.85/87,636.45
  6. Step 6: Final answer
    x = 55,508.86

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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.