Home / 51,314.60-76,983.42-18,036.96

Finding the Fourth Proportional to 51,314.60, 76,983.42 and 18,036.96

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Solution

The fourth proportional to 51,314.60, 76,983.42 and 18,036.96 is: 27,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,314.60 : 76,983.42 = 18,036.96 : x
  2. Step 2: Convert to fraction form
    51,314.60/76,983.42 = 18,036.96/x
  3. Step 3: Cross multiply
    51,314.60x = 76,983.42 × 18,036.96
  4. Step 4: Simplify right side
    51,314.60x = 1,388,546,867.20
  5. Step 5: Solve for x
    x = 1,388,546,867.20/51,314.60
  6. Step 6: Final answer
    x = 27,059.49

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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.