Home / 40,173.30-55,438.20-23,177.58

Finding the Fourth Proportional to 40,173.30, 55,438.20 and 23,177.58

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Solution

The fourth proportional to 40,173.30, 55,438.20 and 23,177.58 is: 31,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.30 : 55,438.20 = 23,177.58 : x
  2. Step 2: Convert to fraction form
    40,173.30/55,438.20 = 23,177.58/x
  3. Step 3: Cross multiply
    40,173.30x = 55,438.20 × 23,177.58
  4. Step 4: Simplify right side
    40,173.30x = 1,284,923,315.56
  5. Step 5: Solve for x
    x = 1,284,923,315.56/40,173.30
  6. Step 6: Final answer
    x = 31,984.51

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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.