Home / 87,944.97-131,916.20-21,384.93

Finding the Fourth Proportional to 87,944.97, 131,916.20 and 21,384.93

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Solution

The fourth proportional to 87,944.97, 131,916.20 and 21,384.93 is: 32,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.97 : 131,916.20 = 21,384.93 : x
  2. Step 2: Convert to fraction form
    87,944.97/131,916.20 = 21,384.93/x
  3. Step 3: Cross multiply
    87,944.97x = 131,916.20 × 21,384.93
  4. Step 4: Simplify right side
    87,944.97x = 2,821,018,595.94
  5. Step 5: Solve for x
    x = 2,821,018,595.94/87,944.97
  6. Step 6: Final answer
    x = 32,077.09

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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.