Home / 37,934.12-56,879.01-15,720.89

Finding the Fourth Proportional to 37,934.12, 56,879.01 and 15,720.89

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Solution

The fourth proportional to 37,934.12, 56,879.01 and 15,720.89 is: 23,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,934.12 : 56,879.01 = 15,720.89 : x
  2. Step 2: Convert to fraction form
    37,934.12/56,879.01 = 15,720.89/x
  3. Step 3: Cross multiply
    37,934.12x = 56,879.01 × 15,720.89
  4. Step 4: Simplify right side
    37,934.12x = 894,188,375.12
  5. Step 5: Solve for x
    x = 894,188,375.12/37,934.12
  6. Step 6: Final answer
    x = 23,572.14

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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.