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Finding the Fourth Proportional to 57,363.64, 79,190.61 and 35,865.34

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Solution

The fourth proportional to 57,363.64, 79,190.61 and 35,865.34 is: 49,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.64 : 79,190.61 = 35,865.34 : x
  2. Step 2: Convert to fraction form
    57,363.64/79,190.61 = 35,865.34/x
  3. Step 3: Cross multiply
    57,363.64x = 79,190.61 × 35,865.34
  4. Step 4: Simplify right side
    57,363.64x = 2,840,198,152.46
  5. Step 5: Solve for x
    x = 2,840,198,152.46/57,363.64
  6. Step 6: Final answer
    x = 49,512.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.