Home / 40,342.71-55,674.26-22,194.18

Finding the Fourth Proportional to 40,342.71, 55,674.26 and 22,194.18

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Solution

The fourth proportional to 40,342.71, 55,674.26 and 22,194.18 is: 30,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.71 : 55,674.26 = 22,194.18 : x
  2. Step 2: Convert to fraction form
    40,342.71/55,674.26 = 22,194.18/x
  3. Step 3: Cross multiply
    40,342.71x = 55,674.26 × 22,194.18
  4. Step 4: Simplify right side
    40,342.71x = 1,235,644,436.84
  5. Step 5: Solve for x
    x = 1,235,644,436.84/40,342.71
  6. Step 6: Final answer
    x = 30,628.69

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Double scale
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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.