Home / 40,176.80-55,447.26-22,277.42

Finding the Fourth Proportional to 40,176.80, 55,447.26 and 22,277.42

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Solution

The fourth proportional to 40,176.80, 55,447.26 and 22,277.42 is: 30,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.80 : 55,447.26 = 22,277.42 : x
  2. Step 2: Convert to fraction form
    40,176.80/55,447.26 = 22,277.42/x
  3. Step 3: Cross multiply
    40,176.80x = 55,447.26 × 22,277.42
  4. Step 4: Simplify right side
    40,176.80x = 1,235,221,898.87
  5. Step 5: Solve for x
    x = 1,235,221,898.87/40,176.80
  6. Step 6: Final answer
    x = 30,744.66

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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.