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Finding the Fourth Proportional to 29,849.77, 44,735.09 and 21,915.18

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Solution

The fourth proportional to 29,849.77, 44,735.09 and 21,915.18 is: 32,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,849.77 : 44,735.09 = 21,915.18 : x
  2. Step 2: Convert to fraction form
    29,849.77/44,735.09 = 21,915.18/x
  3. Step 3: Cross multiply
    29,849.77x = 44,735.09 × 21,915.18
  4. Step 4: Simplify right side
    29,849.77x = 980,377,549.67
  5. Step 5: Solve for x
    x = 980,377,549.67/29,849.77
  6. Step 6: Final answer
    x = 32,843.72

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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.