Home / 40,314.39-55,629.63-22,406.55

Finding the Fourth Proportional to 40,314.39, 55,629.63 and 22,406.55

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Solution

The fourth proportional to 40,314.39, 55,629.63 and 22,406.55 is: 30,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.39 : 55,629.63 = 22,406.55 : x
  2. Step 2: Convert to fraction form
    40,314.39/55,629.63 = 22,406.55/x
  3. Step 3: Cross multiply
    40,314.39x = 55,629.63 × 22,406.55
  4. Step 4: Simplify right side
    40,314.39x = 1,246,468,086.08
  5. Step 5: Solve for x
    x = 1,246,468,086.08/40,314.39
  6. Step 6: Final answer
    x = 30,918.69

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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.