Home / 40,418.18-55,778.48-23,422.46

Finding the Fourth Proportional to 40,418.18, 55,778.48 and 23,422.46

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Solution

The fourth proportional to 40,418.18, 55,778.48 and 23,422.46 is: 32,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.18 : 55,778.48 = 23,422.46 : x
  2. Step 2: Convert to fraction form
    40,418.18/55,778.48 = 23,422.46/x
  3. Step 3: Cross multiply
    40,418.18x = 55,778.48 × 23,422.46
  4. Step 4: Simplify right side
    40,418.18x = 1,306,468,820.66
  5. Step 5: Solve for x
    x = 1,306,468,820.66/40,418.18
  6. Step 6: Final answer
    x = 32,323.80

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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.