Home / 37,682.28-52,002.90-20,687.04

Finding the Fourth Proportional to 37,682.28, 52,002.90 and 20,687.04

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Solution

The fourth proportional to 37,682.28, 52,002.90 and 20,687.04 is: 28,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.28 : 52,002.90 = 20,687.04 : x
  2. Step 2: Convert to fraction form
    37,682.28/52,002.90 = 20,687.04/x
  3. Step 3: Cross multiply
    37,682.28x = 52,002.90 × 20,687.04
  4. Step 4: Simplify right side
    37,682.28x = 1,075,786,072.42
  5. Step 5: Solve for x
    x = 1,075,786,072.42/37,682.28
  6. Step 6: Final answer
    x = 28,548.86

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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.