Home / 40,137.87-55,391.79-22,232.49

Finding the Fourth Proportional to 40,137.87, 55,391.79 and 22,232.49

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Solution

The fourth proportional to 40,137.87, 55,391.79 and 22,232.49 is: 30,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.87 : 55,391.79 = 22,232.49 : x
  2. Step 2: Convert to fraction form
    40,137.87/55,391.79 = 22,232.49/x
  3. Step 3: Cross multiply
    40,137.87x = 55,391.79 × 22,232.49
  4. Step 4: Simplify right side
    40,137.87x = 1,231,497,417.26
  5. Step 5: Solve for x
    x = 1,231,497,417.26/40,137.87
  6. Step 6: Final answer
    x = 30,681.68

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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.