Home / 67,651.03-101,447.99-20,272.87

Finding the Fourth Proportional to 67,651.03, 101,447.99 and 20,272.87

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Solution

The fourth proportional to 67,651.03, 101,447.99 and 20,272.87 is: 30,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,651.03 : 101,447.99 = 20,272.87 : x
  2. Step 2: Convert to fraction form
    67,651.03/101,447.99 = 20,272.87/x
  3. Step 3: Cross multiply
    67,651.03x = 101,447.99 × 20,272.87
  4. Step 4: Simplify right side
    67,651.03x = 2,056,641,304.43
  5. Step 5: Solve for x
    x = 2,056,641,304.43/67,651.03
  6. Step 6: Final answer
    x = 30,400.74

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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.