Home / 40,194.21-55,465.31-22,288.55

Finding the Fourth Proportional to 40,194.21, 55,465.31 and 22,288.55

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Solution

The fourth proportional to 40,194.21, 55,465.31 and 22,288.55 is: 30,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.21 : 55,465.31 = 22,288.55 : x
  2. Step 2: Convert to fraction form
    40,194.21/55,465.31 = 22,288.55/x
  3. Step 3: Cross multiply
    40,194.21x = 55,465.31 × 22,288.55
  4. Step 4: Simplify right side
    40,194.21x = 1,236,240,946.43
  5. Step 5: Solve for x
    x = 1,236,240,946.43/40,194.21
  6. Step 6: Final answer
    x = 30,756.69

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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.