Home / 40,578.24-55,991.28-22,672.32

Finding the Fourth Proportional to 40,578.24, 55,991.28 and 22,672.32

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Solution

The fourth proportional to 40,578.24, 55,991.28 and 22,672.32 is: 31,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.24 : 55,991.28 = 22,672.32 : x
  2. Step 2: Convert to fraction form
    40,578.24/55,991.28 = 22,672.32/x
  3. Step 3: Cross multiply
    40,578.24x = 55,991.28 × 22,672.32
  4. Step 4: Simplify right side
    40,578.24x = 1,269,452,217.37
  5. Step 5: Solve for x
    x = 1,269,452,217.37/40,578.24
  6. Step 6: Final answer
    x = 31,284.06

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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.