Home / 40,310.88-55,627.20-22,405.80

Finding the Fourth Proportional to 40,310.88, 55,627.20 and 22,405.80

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Solution

The fourth proportional to 40,310.88, 55,627.20 and 22,405.80 is: 30,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.88 : 55,627.20 = 22,405.80 : x
  2. Step 2: Convert to fraction form
    40,310.88/55,627.20 = 22,405.80/x
  3. Step 3: Cross multiply
    40,310.88x = 55,627.20 × 22,405.80
  4. Step 4: Simplify right side
    40,310.88x = 1,246,371,917.76
  5. Step 5: Solve for x
    x = 1,246,371,917.76/40,310.88
  6. Step 6: Final answer
    x = 30,919.00

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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.