Home / 38,879.77-58,328.91-12,584.51

Finding the Fourth Proportional to 38,879.77, 58,328.91 and 12,584.51

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Solution

The fourth proportional to 38,879.77, 58,328.91 and 12,584.51 is: 18,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.77 : 58,328.91 = 12,584.51 : x
  2. Step 2: Convert to fraction form
    38,879.77/58,328.91 = 12,584.51/x
  3. Step 3: Cross multiply
    38,879.77x = 58,328.91 × 12,584.51
  4. Step 4: Simplify right side
    38,879.77x = 734,040,751.18
  5. Step 5: Solve for x
    x = 734,040,751.18/38,879.77
  6. Step 6: Final answer
    x = 18,879.76

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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.