Home / 45,167.05-67,723.21-20,202.45

Finding the Fourth Proportional to 45,167.05, 67,723.21 and 20,202.45

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Solution

The fourth proportional to 45,167.05, 67,723.21 and 20,202.45 is: 30,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167.05 : 67,723.21 = 20,202.45 : x
  2. Step 2: Convert to fraction form
    45,167.05/67,723.21 = 20,202.45/x
  3. Step 3: Cross multiply
    45,167.05x = 67,723.21 × 20,202.45
  4. Step 4: Simplify right side
    45,167.05x = 1,368,174,763.86
  5. Step 5: Solve for x
    x = 1,368,174,763.86/45,167.05
  6. Step 6: Final answer
    x = 30,291.44

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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.