Home / 40,298.42-55,613.28-22,395.18

Finding the Fourth Proportional to 40,298.42, 55,613.28 and 22,395.18

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Solution

The fourth proportional to 40,298.42, 55,613.28 and 22,395.18 is: 30,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.42 : 55,613.28 = 22,395.18 : x
  2. Step 2: Convert to fraction form
    40,298.42/55,613.28 = 22,395.18/x
  3. Step 3: Cross multiply
    40,298.42x = 55,613.28 × 22,395.18
  4. Step 4: Simplify right side
    40,298.42x = 1,245,469,415.99
  5. Step 5: Solve for x
    x = 1,245,469,415.99/40,298.42
  6. Step 6: Final answer
    x = 30,906.16

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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.