Home / 39,048.72-58,571.20-12,750

Finding the Fourth Proportional to 39,048.72, 58,571.20 and 12,750

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Solution

The fourth proportional to 39,048.72, 58,571.20 and 12,750 is: 19,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,048.72 : 58,571.20 = 12,750 : x
  2. Step 2: Convert to fraction form
    39,048.72/58,571.20 = 12,750/x
  3. Step 3: Cross multiply
    39,048.72x = 58,571.20 × 12,750
  4. Step 4: Simplify right side
    39,048.72x = 746,782,800
  5. Step 5: Solve for x
    x = 746,782,800/39,048.72
  6. Step 6: Final answer
    x = 19,124.39

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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.