Home / 40,049.30-55,272.11-22,145.67

Finding the Fourth Proportional to 40,049.30, 55,272.11 and 22,145.67

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Solution

The fourth proportional to 40,049.30, 55,272.11 and 22,145.67 is: 30,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.30 : 55,272.11 = 22,145.67 : x
  2. Step 2: Convert to fraction form
    40,049.30/55,272.11 = 22,145.67/x
  3. Step 3: Cross multiply
    40,049.30x = 55,272.11 × 22,145.67
  4. Step 4: Simplify right side
    40,049.30x = 1,224,037,797.54
  5. Step 5: Solve for x
    x = 1,224,037,797.54/40,049.30
  6. Step 6: Final answer
    x = 30,563.27

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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.