Home / 52,997.22-79,478.25-21,399.12

Finding the Fourth Proportional to 52,997.22, 79,478.25 and 21,399.12

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Solution

The fourth proportional to 52,997.22, 79,478.25 and 21,399.12 is: 32,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,997.22 : 79,478.25 = 21,399.12 : x
  2. Step 2: Convert to fraction form
    52,997.22/79,478.25 = 21,399.12/x
  3. Step 3: Cross multiply
    52,997.22x = 79,478.25 × 21,399.12
  4. Step 4: Simplify right side
    52,997.22x = 1,700,764,609.14
  5. Step 5: Solve for x
    x = 1,700,764,609.14/52,997.22
  6. Step 6: Final answer
    x = 32,091.58

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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.