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Finding the Fourth Proportional to 44,915.92, 67,385.40 and 18,611.92

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Solution

The fourth proportional to 44,915.92, 67,385.40 and 18,611.92 is: 27,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,915.92 : 67,385.40 = 18,611.92 : x
  2. Step 2: Convert to fraction form
    44,915.92/67,385.40 = 18,611.92/x
  3. Step 3: Cross multiply
    44,915.92x = 67,385.40 × 18,611.92
  4. Step 4: Simplify right side
    44,915.92x = 1,254,171,673.97
  5. Step 5: Solve for x
    x = 1,254,171,673.97/44,915.92
  6. Step 6: Final answer
    x = 27,922.65

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1.5x scale

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.