Home / 87,628.60-131,390.10-33,569.08

Finding the Fourth Proportional to 87,628.60, 131,390.10 and 33,569.08

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Solution

The fourth proportional to 87,628.60, 131,390.10 and 33,569.08 is: 50,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,628.60 : 131,390.10 = 33,569.08 : x
  2. Step 2: Convert to fraction form
    87,628.60/131,390.10 = 33,569.08/x
  3. Step 3: Cross multiply
    87,628.60x = 131,390.10 × 33,569.08
  4. Step 4: Simplify right side
    87,628.60x = 4,410,644,778.11
  5. Step 5: Solve for x
    x = 4,410,644,778.11/87,628.60
  6. Step 6: Final answer
    x = 50,333.39

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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.