Home / 47,589.85-65,673.99-28,470.42

Finding the Fourth Proportional to 47,589.85, 65,673.99 and 28,470.42

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Solution

The fourth proportional to 47,589.85, 65,673.99 and 28,470.42 is: 39,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589.85 : 65,673.99 = 28,470.42 : x
  2. Step 2: Convert to fraction form
    47,589.85/65,673.99 = 28,470.42/x
  3. Step 3: Cross multiply
    47,589.85x = 65,673.99 × 28,470.42
  4. Step 4: Simplify right side
    47,589.85x = 1,869,766,078.38
  5. Step 5: Solve for x
    x = 1,869,766,078.38/47,589.85
  6. Step 6: Final answer
    x = 39,289.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.