Home / 38,354.16-57,448.16-18,591.38

Finding the Fourth Proportional to 38,354.16, 57,448.16 and 18,591.38

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Solution

The fourth proportional to 38,354.16, 57,448.16 and 18,591.38 is: 27,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,354.16 : 57,448.16 = 18,591.38 : x
  2. Step 2: Convert to fraction form
    38,354.16/57,448.16 = 18,591.38/x
  3. Step 3: Cross multiply
    38,354.16x = 57,448.16 × 18,591.38
  4. Step 4: Simplify right side
    38,354.16x = 1,068,040,572.86
  5. Step 5: Solve for x
    x = 1,068,040,572.86/38,354.16
  6. Step 6: Final answer
    x = 27,846.80

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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.