Home / 39,247.34-58,876.20-12,584.43

Finding the Fourth Proportional to 39,247.34, 58,876.20 and 12,584.43

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Solution

The fourth proportional to 39,247.34, 58,876.20 and 12,584.43 is: 18,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.34 : 58,876.20 = 12,584.43 : x
  2. Step 2: Convert to fraction form
    39,247.34/58,876.20 = 12,584.43/x
  3. Step 3: Cross multiply
    39,247.34x = 58,876.20 × 12,584.43
  4. Step 4: Simplify right side
    39,247.34x = 740,923,417.57
  5. Step 5: Solve for x
    x = 740,923,417.57/39,247.34
  6. Step 6: Final answer
    x = 18,878.31

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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.