Home / 51,396.08-77,087.22-13,958.68

Finding the Fourth Proportional to 51,396.08, 77,087.22 and 13,958.68

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Solution

The fourth proportional to 51,396.08, 77,087.22 and 13,958.68 is: 20,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.08 : 77,087.22 = 13,958.68 : x
  2. Step 2: Convert to fraction form
    51,396.08/77,087.22 = 13,958.68/x
  3. Step 3: Cross multiply
    51,396.08x = 77,087.22 × 13,958.68
  4. Step 4: Simplify right side
    51,396.08x = 1,076,035,836.07
  5. Step 5: Solve for x
    x = 1,076,035,836.07/51,396.08
  6. Step 6: Final answer
    x = 20,936.15

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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.