Home / 66,180.21-91,328.58-35,965.45

Finding the Fourth Proportional to 66,180.21, 91,328.58 and 35,965.45

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Solution

The fourth proportional to 66,180.21, 91,328.58 and 35,965.45 is: 49,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180.21 : 91,328.58 = 35,965.45 : x
  2. Step 2: Convert to fraction form
    66,180.21/91,328.58 = 35,965.45/x
  3. Step 3: Cross multiply
    66,180.21x = 91,328.58 × 35,965.45
  4. Step 4: Simplify right side
    66,180.21x = 3,284,673,591.72
  5. Step 5: Solve for x
    x = 3,284,673,591.72/66,180.21
  6. Step 6: Final answer
    x = 49,632.27

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1.5x scale

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.