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Finding the Fourth Proportional to 52,118.50, 71,982.93 and 35,322.34

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Solution

The fourth proportional to 52,118.50, 71,982.93 and 35,322.34 is: 48,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.50 : 71,982.93 = 35,322.34 : x
  2. Step 2: Convert to fraction form
    52,118.50/71,982.93 = 35,322.34/x
  3. Step 3: Cross multiply
    52,118.50x = 71,982.93 × 35,322.34
  4. Step 4: Simplify right side
    52,118.50x = 2,542,605,527.66
  5. Step 5: Solve for x
    x = 2,542,605,527.66/52,118.50
  6. Step 6: Final answer
    x = 48,785.09

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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.