Home / 87,962.99-131,944.58-21,403.11

Finding the Fourth Proportional to 87,962.99, 131,944.58 and 21,403.11

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Solution

The fourth proportional to 87,962.99, 131,944.58 and 21,403.11 is: 32,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,962.99 : 131,944.58 = 21,403.11 : x
  2. Step 2: Convert to fraction form
    87,962.99/131,944.58 = 21,403.11/x
  3. Step 3: Cross multiply
    87,962.99x = 131,944.58 × 21,403.11
  4. Step 4: Simplify right side
    87,962.99x = 2,824,024,252.63
  5. Step 5: Solve for x
    x = 2,824,024,252.63/87,962.99
  6. Step 6: Final answer
    x = 32,104.69

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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.