Home / 38,176.86-57,257.75-12,873.87

Finding the Fourth Proportional to 38,176.86, 57,257.75 and 12,873.87

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Solution

The fourth proportional to 38,176.86, 57,257.75 and 12,873.87 is: 19,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.86 : 57,257.75 = 12,873.87 : x
  2. Step 2: Convert to fraction form
    38,176.86/57,257.75 = 12,873.87/x
  3. Step 3: Cross multiply
    38,176.86x = 57,257.75 × 12,873.87
  4. Step 4: Simplify right side
    38,176.86x = 737,128,829.99
  5. Step 5: Solve for x
    x = 737,128,829.99/38,176.86
  6. Step 6: Final answer
    x = 19,308.26

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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.