Home / 66,150.20-91,287.91-35,935.75

Finding the Fourth Proportional to 66,150.20, 91,287.91 and 35,935.75

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Solution

The fourth proportional to 66,150.20, 91,287.91 and 35,935.75 is: 49,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.20 : 91,287.91 = 35,935.75 : x
  2. Step 2: Convert to fraction form
    66,150.20/91,287.91 = 35,935.75/x
  3. Step 3: Cross multiply
    66,150.20x = 91,287.91 × 35,935.75
  4. Step 4: Simplify right side
    66,150.20x = 3,280,499,670.81
  5. Step 5: Solve for x
    x = 3,280,499,670.81/66,150.20
  6. Step 6: Final answer
    x = 49,591.68

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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.