Home / 38,811.54-58,224.72-12,509.22

Finding the Fourth Proportional to 38,811.54, 58,224.72 and 12,509.22

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Solution

The fourth proportional to 38,811.54, 58,224.72 and 12,509.22 is: 18,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.54 : 58,224.72 = 12,509.22 : x
  2. Step 2: Convert to fraction form
    38,811.54/58,224.72 = 12,509.22/x
  3. Step 3: Cross multiply
    38,811.54x = 58,224.72 × 12,509.22
  4. Step 4: Simplify right side
    38,811.54x = 728,345,831.92
  5. Step 5: Solve for x
    x = 728,345,831.92/38,811.54
  6. Step 6: Final answer
    x = 18,766.22

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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.