Home / 51,287.40-76,952.70-27,930.60

Finding the Fourth Proportional to 51,287.40, 76,952.70 and 27,930.60

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Solution

The fourth proportional to 51,287.40, 76,952.70 and 27,930.60 is: 41,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.40 : 76,952.70 = 27,930.60 : x
  2. Step 2: Convert to fraction form
    51,287.40/76,952.70 = 27,930.60/x
  3. Step 3: Cross multiply
    51,287.40x = 76,952.70 × 27,930.60
  4. Step 4: Simplify right side
    51,287.40x = 2,149,335,082.62
  5. Step 5: Solve for x
    x = 2,149,335,082.62/51,287.40
  6. Step 6: Final answer
    x = 41,907.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.