Home / 40,542.88-55,871.84-29,192.36

Finding the Fourth Proportional to 40,542.88, 55,871.84 and 29,192.36

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Solution

The fourth proportional to 40,542.88, 55,871.84 and 29,192.36 is: 40,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542.88 : 55,871.84 = 29,192.36 : x
  2. Step 2: Convert to fraction form
    40,542.88/55,871.84 = 29,192.36/x
  3. Step 3: Cross multiply
    40,542.88x = 55,871.84 × 29,192.36
  4. Step 4: Simplify right side
    40,542.88x = 1,631,030,867.14
  5. Step 5: Solve for x
    x = 1,631,030,867.14/40,542.88
  6. Step 6: Final answer
    x = 40,229.77

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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.