Home / 40,141.14-55,394.78-22,237.31

Finding the Fourth Proportional to 40,141.14, 55,394.78 and 22,237.31

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Solution

The fourth proportional to 40,141.14, 55,394.78 and 22,237.31 is: 30,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.14 : 55,394.78 = 22,237.31 : x
  2. Step 2: Convert to fraction form
    40,141.14/55,394.78 = 22,237.31/x
  3. Step 3: Cross multiply
    40,141.14x = 55,394.78 × 22,237.31
  4. Step 4: Simplify right side
    40,141.14x = 1,231,830,507.08
  5. Step 5: Solve for x
    x = 1,231,830,507.08/40,141.14
  6. Step 6: Final answer
    x = 30,687.48

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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.