Home / 87,923.88-131,883.98-21,364.34

Finding the Fourth Proportional to 87,923.88, 131,883.98 and 21,364.34

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Solution

The fourth proportional to 87,923.88, 131,883.98 and 21,364.34 is: 32,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.88 : 131,883.98 = 21,364.34 : x
  2. Step 2: Convert to fraction form
    87,923.88/131,883.98 = 21,364.34/x
  3. Step 3: Cross multiply
    87,923.88x = 131,883.98 × 21,364.34
  4. Step 4: Simplify right side
    87,923.88x = 2,817,613,423.03
  5. Step 5: Solve for x
    x = 2,817,613,423.03/87,923.88
  6. Step 6: Final answer
    x = 32,046.05

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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.