Home / 38,821.20-58,237.20-16,634.40

Finding the Fourth Proportional to 38,821.20, 58,237.20 and 16,634.40

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Solution

The fourth proportional to 38,821.20, 58,237.20 and 16,634.40 is: 24,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.20 : 58,237.20 = 16,634.40 : x
  2. Step 2: Convert to fraction form
    38,821.20/58,237.20 = 16,634.40/x
  3. Step 3: Cross multiply
    38,821.20x = 58,237.20 × 16,634.40
  4. Step 4: Simplify right side
    38,821.20x = 968,740,879.68
  5. Step 5: Solve for x
    x = 968,740,879.68/38,821.20
  6. Step 6: Final answer
    x = 24,953.91

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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.