Home / 38,115.40-57,136.20-17,043.52

Finding the Fourth Proportional to 38,115.40, 57,136.20 and 17,043.52

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Solution

The fourth proportional to 38,115.40, 57,136.20 and 17,043.52 is: 25,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.40 : 57,136.20 = 17,043.52 : x
  2. Step 2: Convert to fraction form
    38,115.40/57,136.20 = 17,043.52/x
  3. Step 3: Cross multiply
    38,115.40x = 57,136.20 × 17,043.52
  4. Step 4: Simplify right side
    38,115.40x = 973,801,967.42
  5. Step 5: Solve for x
    x = 973,801,967.42/38,115.40
  6. Step 6: Final answer
    x = 25,548.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.