Home / 66,287.44-91,475.19-36,072.85

Finding the Fourth Proportional to 66,287.44, 91,475.19 and 36,072.85

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Solution

The fourth proportional to 66,287.44, 91,475.19 and 36,072.85 is: 49,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,287.44 : 91,475.19 = 36,072.85 : x
  2. Step 2: Convert to fraction form
    66,287.44/91,475.19 = 36,072.85/x
  3. Step 3: Cross multiply
    66,287.44x = 91,475.19 × 36,072.85
  4. Step 4: Simplify right side
    66,287.44x = 3,299,770,807.59
  5. Step 5: Solve for x
    x = 3,299,770,807.59/66,287.44
  6. Step 6: Final answer
    x = 49,779.73

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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.