Home / 67,716.37-101,574.34-20,331.27

Finding the Fourth Proportional to 67,716.37, 101,574.34 and 20,331.27

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Solution

The fourth proportional to 67,716.37, 101,574.34 and 20,331.27 is: 30,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,716.37 : 101,574.34 = 20,331.27 : x
  2. Step 2: Convert to fraction form
    67,716.37/101,574.34 = 20,331.27/x
  3. Step 3: Cross multiply
    67,716.37x = 101,574.34 × 20,331.27
  4. Step 4: Simplify right side
    67,716.37x = 2,065,135,280.78
  5. Step 5: Solve for x
    x = 2,065,135,280.78/67,716.37
  6. Step 6: Final answer
    x = 30,496.84

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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.