Home / 40,174.80-55,444.50-22,275.42

Finding the Fourth Proportional to 40,174.80, 55,444.50 and 22,275.42

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Solution

The fourth proportional to 40,174.80, 55,444.50 and 22,275.42 is: 30,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.80 : 55,444.50 = 22,275.42 : x
  2. Step 2: Convert to fraction form
    40,174.80/55,444.50 = 22,275.42/x
  3. Step 3: Cross multiply
    40,174.80x = 55,444.50 × 22,275.42
  4. Step 4: Simplify right side
    40,174.80x = 1,235,049,524.19
  5. Step 5: Solve for x
    x = 1,235,049,524.19/40,174.80
  6. Step 6: Final answer
    x = 30,741.90

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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.