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Finding the Fourth Proportional to 59,872.91, 89,760.66 and 22,412

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Solution

The fourth proportional to 59,872.91, 89,760.66 and 22,412 is: 33,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,872.91 : 89,760.66 = 22,412 : x
  2. Step 2: Convert to fraction form
    59,872.91/89,760.66 = 22,412/x
  3. Step 3: Cross multiply
    59,872.91x = 89,760.66 × 22,412
  4. Step 4: Simplify right side
    59,872.91x = 2,011,715,911.92
  5. Step 5: Solve for x
    x = 2,011,715,911.92/59,872.91
  6. Step 6: Final answer
    x = 33,599.77

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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.