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Finding the Fourth Proportional to 59,384.94, 89,067.60 and 21,962.58

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Solution

The fourth proportional to 59,384.94, 89,067.60 and 21,962.58 is: 32,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,384.94 : 89,067.60 = 21,962.58 : x
  2. Step 2: Convert to fraction form
    59,384.94/89,067.60 = 21,962.58/x
  3. Step 3: Cross multiply
    59,384.94x = 89,067.60 × 21,962.58
  4. Step 4: Simplify right side
    59,384.94x = 1,956,154,290.41
  5. Step 5: Solve for x
    x = 1,956,154,290.41/59,384.94
  6. Step 6: Final answer
    x = 32,940.24

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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.