Home / 39,518.92-59,247.42-19,787.56

Finding the Fourth Proportional to 39,518.92, 59,247.42 and 19,787.56

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Solution

The fourth proportional to 39,518.92, 59,247.42 and 19,787.56 is: 29,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.92 : 59,247.42 = 19,787.56 : x
  2. Step 2: Convert to fraction form
    39,518.92/59,247.42 = 19,787.56/x
  3. Step 3: Cross multiply
    39,518.92x = 59,247.42 × 19,787.56
  4. Step 4: Simplify right side
    39,518.92x = 1,172,361,878.10
  5. Step 5: Solve for x
    x = 1,172,361,878.10/39,518.92
  6. Step 6: Final answer
    x = 29,665.84

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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.