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Finding the Fourth Proportional to 51,958.53, 77,958.38 and 27,014.31

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Solution

The fourth proportional to 51,958.53, 77,958.38 and 27,014.31 is: 40,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958.53 : 77,958.38 = 27,014.31 : x
  2. Step 2: Convert to fraction form
    51,958.53/77,958.38 = 27,014.31/x
  3. Step 3: Cross multiply
    51,958.53x = 77,958.38 × 27,014.31
  4. Step 4: Simplify right side
    51,958.53x = 2,105,991,911.95
  5. Step 5: Solve for x
    x = 2,105,991,911.95/51,958.53
  6. Step 6: Final answer
    x = 40,532.17

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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.