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Finding the Fourth Proportional to 59,990, 89,985 and 16,214

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Solution

The fourth proportional to 59,990, 89,985 and 16,214 is: 24,321

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,990 : 89,985 = 16,214 : x
  2. Step 2: Convert to fraction form
    59,990/89,985 = 16,214/x
  3. Step 3: Cross multiply
    59,990x = 89,985 × 16,214
  4. Step 4: Simplify right side
    59,990x = 1,459,016,790
  5. Step 5: Solve for x
    x = 1,459,016,790/59,990
  6. Step 6: Final answer
    x = 24,321

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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.