Home / 40,456.22-55,831.32-22,551.22

Finding the Fourth Proportional to 40,456.22, 55,831.32 and 22,551.22

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Solution

The fourth proportional to 40,456.22, 55,831.32 and 22,551.22 is: 31,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.22 : 55,831.32 = 22,551.22 : x
  2. Step 2: Convert to fraction form
    40,456.22/55,831.32 = 22,551.22/x
  3. Step 3: Cross multiply
    40,456.22x = 55,831.32 × 22,551.22
  4. Step 4: Simplify right side
    40,456.22x = 1,259,064,380.21
  5. Step 5: Solve for x
    x = 1,259,064,380.21/40,456.22
  6. Step 6: Final answer
    x = 31,121.65

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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.