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Finding the Fourth Proportional to 35,311.68, 48,685.86 and 25,863.84

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Solution

The fourth proportional to 35,311.68, 48,685.86 and 25,863.84 is: 35,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.68 : 48,685.86 = 25,863.84 : x
  2. Step 2: Convert to fraction form
    35,311.68/48,685.86 = 25,863.84/x
  3. Step 3: Cross multiply
    35,311.68x = 48,685.86 × 25,863.84
  4. Step 4: Simplify right side
    35,311.68x = 1,259,203,293.30
  5. Step 5: Solve for x
    x = 1,259,203,293.30/35,311.68
  6. Step 6: Final answer
    x = 35,659.68

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1.5x scale

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.