Home / 66,245.31-91,421.73-37,951.07

Finding the Fourth Proportional to 66,245.31, 91,421.73 and 37,951.07

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Solution

The fourth proportional to 66,245.31, 91,421.73 and 37,951.07 is: 52,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.31 : 91,421.73 = 37,951.07 : x
  2. Step 2: Convert to fraction form
    66,245.31/91,421.73 = 37,951.07/x
  3. Step 3: Cross multiply
    66,245.31x = 91,421.73 × 37,951.07
  4. Step 4: Simplify right side
    66,245.31x = 3,469,552,017.64
  5. Step 5: Solve for x
    x = 3,469,552,017.64/66,245.31
  6. Step 6: Final answer
    x = 52,374.30

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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.