Home / 40,190.21-55,462.39-22,284.75

Finding the Fourth Proportional to 40,190.21, 55,462.39 and 22,284.75

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Solution

The fourth proportional to 40,190.21, 55,462.39 and 22,284.75 is: 30,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.21 : 55,462.39 = 22,284.75 : x
  2. Step 2: Convert to fraction form
    40,190.21/55,462.39 = 22,284.75/x
  3. Step 3: Cross multiply
    40,190.21x = 55,462.39 × 22,284.75
  4. Step 4: Simplify right side
    40,190.21x = 1,235,965,384.13
  5. Step 5: Solve for x
    x = 1,235,965,384.13/40,190.21
  6. Step 6: Final answer
    x = 30,752.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.