Home / 40,394.97-55,744.74-22,490.19

Finding the Fourth Proportional to 40,394.97, 55,744.74 and 22,490.19

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Solution

The fourth proportional to 40,394.97, 55,744.74 and 22,490.19 is: 31,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.97 : 55,744.74 = 22,490.19 : x
  2. Step 2: Convert to fraction form
    40,394.97/55,744.74 = 22,490.19/x
  3. Step 3: Cross multiply
    40,394.97x = 55,744.74 × 22,490.19
  4. Step 4: Simplify right side
    40,394.97x = 1,253,709,794.10
  5. Step 5: Solve for x
    x = 1,253,709,794.10/40,394.97
  6. Step 6: Final answer
    x = 31,036.28

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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.