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Finding the Fourth Proportional to 57,405.26, 79,214.01 and 33,200.03

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Solution

The fourth proportional to 57,405.26, 79,214.01 and 33,200.03 is: 45,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,405.26 : 79,214.01 = 33,200.03 : x
  2. Step 2: Convert to fraction form
    57,405.26/79,214.01 = 33,200.03/x
  3. Step 3: Cross multiply
    57,405.26x = 79,214.01 × 33,200.03
  4. Step 4: Simplify right side
    57,405.26x = 2,629,907,508.42
  5. Step 5: Solve for x
    x = 2,629,907,508.42/57,405.26
  6. Step 6: Final answer
    x = 45,813.01

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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.