Home / 38,907.96-58,380.17-19,175.76

Finding the Fourth Proportional to 38,907.96, 58,380.17 and 19,175.76

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Solution

The fourth proportional to 38,907.96, 58,380.17 and 19,175.76 is: 28,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.96 : 58,380.17 = 19,175.76 : x
  2. Step 2: Convert to fraction form
    38,907.96/58,380.17 = 19,175.76/x
  3. Step 3: Cross multiply
    38,907.96x = 58,380.17 × 19,175.76
  4. Step 4: Simplify right side
    38,907.96x = 1,119,484,032.80
  5. Step 5: Solve for x
    x = 1,119,484,032.80/38,907.96
  6. Step 6: Final answer
    x = 28,772.62

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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.