Home / 40,105.64-55,345.11-22,200.26

Finding the Fourth Proportional to 40,105.64, 55,345.11 and 22,200.26

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Solution

The fourth proportional to 40,105.64, 55,345.11 and 22,200.26 is: 30,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.64 : 55,345.11 = 22,200.26 : x
  2. Step 2: Convert to fraction form
    40,105.64/55,345.11 = 22,200.26/x
  3. Step 3: Cross multiply
    40,105.64x = 55,345.11 × 22,200.26
  4. Step 4: Simplify right side
    40,105.64x = 1,228,675,831.73
  5. Step 5: Solve for x
    x = 1,228,675,831.73/40,105.64
  6. Step 6: Final answer
    x = 30,635.99

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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.