Home / 66,831.82-100,247.55-29,869.90

Finding the Fourth Proportional to 66,831.82, 100,247.55 and 29,869.90

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Solution

The fourth proportional to 66,831.82, 100,247.55 and 29,869.90 is: 44,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.82 : 100,247.55 = 29,869.90 : x
  2. Step 2: Convert to fraction form
    66,831.82/100,247.55 = 29,869.90/x
  3. Step 3: Cross multiply
    66,831.82x = 100,247.55 × 29,869.90
  4. Step 4: Simplify right side
    66,831.82x = 2,994,384,293.75
  5. Step 5: Solve for x
    x = 2,994,384,293.75/66,831.82
  6. Step 6: Final answer
    x = 44,804.77

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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.