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Finding the Fourth Proportional to 41,291.84, 61,915.89 and 16,330.88

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Solution

The fourth proportional to 41,291.84, 61,915.89 and 16,330.88 is: 24,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,291.84 : 61,915.89 = 16,330.88 : x
  2. Step 2: Convert to fraction form
    41,291.84/61,915.89 = 16,330.88/x
  3. Step 3: Cross multiply
    41,291.84x = 61,915.89 × 16,330.88
  4. Step 4: Simplify right side
    41,291.84x = 1,011,140,969.68
  5. Step 5: Solve for x
    x = 1,011,140,969.68/41,291.84
  6. Step 6: Final answer
    x = 24,487.67

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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.