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Finding the Fourth Proportional to 44,644.92, 66,959.61 and 14,658.72

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Solution

The fourth proportional to 44,644.92, 66,959.61 and 14,658.72 is: 21,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,644.92 : 66,959.61 = 14,658.72 : x
  2. Step 2: Convert to fraction form
    44,644.92/66,959.61 = 14,658.72/x
  3. Step 3: Cross multiply
    44,644.92x = 66,959.61 × 14,658.72
  4. Step 4: Simplify right side
    44,644.92x = 981,542,174.30
  5. Step 5: Solve for x
    x = 981,542,174.30/44,644.92
  6. Step 6: Final answer
    x = 21,985.53

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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.