Home / 38,219.31-57,302.79-19,463.04

Finding the Fourth Proportional to 38,219.31, 57,302.79 and 19,463.04

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Solution

The fourth proportional to 38,219.31, 57,302.79 and 19,463.04 is: 29,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.31 : 57,302.79 = 19,463.04 : x
  2. Step 2: Convert to fraction form
    38,219.31/57,302.79 = 19,463.04/x
  3. Step 3: Cross multiply
    38,219.31x = 57,302.79 × 19,463.04
  4. Step 4: Simplify right side
    38,219.31x = 1,115,286,493.88
  5. Step 5: Solve for x
    x = 1,115,286,493.88/38,219.31
  6. Step 6: Final answer
    x = 29,181.23

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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.