Home / 40,310.66-55,626.30-22,405.05

Finding the Fourth Proportional to 40,310.66, 55,626.30 and 22,405.05

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Solution

The fourth proportional to 40,310.66, 55,626.30 and 22,405.05 is: 30,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.66 : 55,626.30 = 22,405.05 : x
  2. Step 2: Convert to fraction form
    40,310.66/55,626.30 = 22,405.05/x
  3. Step 3: Cross multiply
    40,310.66x = 55,626.30 × 22,405.05
  4. Step 4: Simplify right side
    40,310.66x = 1,246,310,032.82
  5. Step 5: Solve for x
    x = 1,246,310,032.82/40,310.66
  6. Step 6: Final answer
    x = 30,917.63

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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.