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Finding the Fourth Proportional to 72,951.56, 109,440.30 and 24,917.56

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Solution

The fourth proportional to 72,951.56, 109,440.30 and 24,917.56 is: 37,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951.56 : 109,440.30 = 24,917.56 : x
  2. Step 2: Convert to fraction form
    72,951.56/109,440.30 = 24,917.56/x
  3. Step 3: Cross multiply
    72,951.56x = 109,440.30 × 24,917.56
  4. Step 4: Simplify right side
    72,951.56x = 2,726,985,241.67
  5. Step 5: Solve for x
    x = 2,726,985,241.67/72,951.56
  6. Step 6: Final answer
    x = 37,380.77

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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.