Home / 87,822.03-131,733.38-21,262.05

Finding the Fourth Proportional to 87,822.03, 131,733.38 and 21,262.05

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Solution

The fourth proportional to 87,822.03, 131,733.38 and 21,262.05 is: 31,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.03 : 131,733.38 = 21,262.05 : x
  2. Step 2: Convert to fraction form
    87,822.03/131,733.38 = 21,262.05/x
  3. Step 3: Cross multiply
    87,822.03x = 131,733.38 × 21,262.05
  4. Step 4: Simplify right side
    87,822.03x = 2,800,921,605.92
  5. Step 5: Solve for x
    x = 2,800,921,605.92/87,822.03
  6. Step 6: Final answer
    x = 31,893.15

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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.