Home / 42,122.26-63,200.57-27,137.21

Finding the Fourth Proportional to 42,122.26, 63,200.57 and 27,137.21

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Solution

The fourth proportional to 42,122.26, 63,200.57 and 27,137.21 is: 40,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.26 : 63,200.57 = 27,137.21 : x
  2. Step 2: Convert to fraction form
    42,122.26/63,200.57 = 27,137.21/x
  3. Step 3: Cross multiply
    42,122.26x = 63,200.57 × 27,137.21
  4. Step 4: Simplify right side
    42,122.26x = 1,715,086,688.52
  5. Step 5: Solve for x
    x = 1,715,086,688.52/42,122.26
  6. Step 6: Final answer
    x = 40,716.88

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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.