Home / 40,303.72-55,618.84-22,399.24

Finding the Fourth Proportional to 40,303.72, 55,618.84 and 22,399.24

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Solution

The fourth proportional to 40,303.72, 55,618.84 and 22,399.24 is: 30,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.72 : 55,618.84 = 22,399.24 : x
  2. Step 2: Convert to fraction form
    40,303.72/55,618.84 = 22,399.24/x
  3. Step 3: Cross multiply
    40,303.72x = 55,618.84 × 22,399.24
  4. Step 4: Simplify right side
    40,303.72x = 1,245,819,745.68
  5. Step 5: Solve for x
    x = 1,245,819,745.68/40,303.72
  6. Step 6: Final answer
    x = 30,910.79

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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.