Home / 38,879.13-58,327.95-12,583.88

Finding the Fourth Proportional to 38,879.13, 58,327.95 and 12,583.88

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Solution

The fourth proportional to 38,879.13, 58,327.95 and 12,583.88 is: 18,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.13 : 58,327.95 = 12,583.88 : x
  2. Step 2: Convert to fraction form
    38,879.13/58,327.95 = 12,583.88/x
  3. Step 3: Cross multiply
    38,879.13x = 58,327.95 × 12,583.88
  4. Step 4: Simplify right side
    38,879.13x = 733,991,631.81
  5. Step 5: Solve for x
    x = 733,991,631.81/38,879.13
  6. Step 6: Final answer
    x = 18,878.81

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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.