Home / 40,157.91-55,420.13-22,252.52

Finding the Fourth Proportional to 40,157.91, 55,420.13 and 22,252.52

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Solution

The fourth proportional to 40,157.91, 55,420.13 and 22,252.52 is: 30,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.91 : 55,420.13 = 22,252.52 : x
  2. Step 2: Convert to fraction form
    40,157.91/55,420.13 = 22,252.52/x
  3. Step 3: Cross multiply
    40,157.91x = 55,420.13 × 22,252.52
  4. Step 4: Simplify right side
    40,157.91x = 1,233,237,578.52
  5. Step 5: Solve for x
    x = 1,233,237,578.52/40,157.91
  6. Step 6: Final answer
    x = 30,709.71

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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.