Home / 38,866.68-58,305.49-19,145.41

Finding the Fourth Proportional to 38,866.68, 58,305.49 and 19,145.41

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Solution

The fourth proportional to 38,866.68, 58,305.49 and 19,145.41 is: 28,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,866.68 : 58,305.49 = 19,145.41 : x
  2. Step 2: Convert to fraction form
    38,866.68/58,305.49 = 19,145.41/x
  3. Step 3: Cross multiply
    38,866.68x = 58,305.49 × 19,145.41
  4. Step 4: Simplify right side
    38,866.68x = 1,116,282,317.67
  5. Step 5: Solve for x
    x = 1,116,282,317.67/38,866.68
  6. Step 6: Final answer
    x = 28,720.80

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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.