Home / 38,534.20-57,801.30-19,788.10

Finding the Fourth Proportional to 38,534.20, 57,801.30 and 19,788.10

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Solution

The fourth proportional to 38,534.20, 57,801.30 and 19,788.10 is: 29,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,534.20 : 57,801.30 = 19,788.10 : x
  2. Step 2: Convert to fraction form
    38,534.20/57,801.30 = 19,788.10/x
  3. Step 3: Cross multiply
    38,534.20x = 57,801.30 × 19,788.10
  4. Step 4: Simplify right side
    38,534.20x = 1,143,777,904.53
  5. Step 5: Solve for x
    x = 1,143,777,904.53/38,534.20
  6. Step 6: Final answer
    x = 29,682.15

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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.