Home / 66,237.21-91,407.78-36,022.86

Finding the Fourth Proportional to 66,237.21, 91,407.78 and 36,022.86

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Solution

The fourth proportional to 66,237.21, 91,407.78 and 36,022.86 is: 49,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.21 : 91,407.78 = 36,022.86 : x
  2. Step 2: Convert to fraction form
    66,237.21/91,407.78 = 36,022.86/x
  3. Step 3: Cross multiply
    66,237.21x = 91,407.78 × 36,022.86
  4. Step 4: Simplify right side
    66,237.21x = 3,292,769,661.85
  5. Step 5: Solve for x
    x = 3,292,769,661.85/66,237.21
  6. Step 6: Final answer
    x = 49,711.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.