Home / 87,924.40-131,886.59-21,364.07

Finding the Fourth Proportional to 87,924.40, 131,886.59 and 21,364.07

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Solution

The fourth proportional to 87,924.40, 131,886.59 and 21,364.07 is: 32,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.40 : 131,886.59 = 21,364.07 : x
  2. Step 2: Convert to fraction form
    87,924.40/131,886.59 = 21,364.07/x
  3. Step 3: Cross multiply
    87,924.40x = 131,886.59 × 21,364.07
  4. Step 4: Simplify right side
    87,924.40x = 2,817,633,574.57
  5. Step 5: Solve for x
    x = 2,817,633,574.57/87,924.40
  6. Step 6: Final answer
    x = 32,046.09

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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.