Home / 51,704.53-77,537.66-18,415.76

Finding the Fourth Proportional to 51,704.53, 77,537.66 and 18,415.76

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Solution

The fourth proportional to 51,704.53, 77,537.66 and 18,415.76 is: 27,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.53 : 77,537.66 = 18,415.76 : x
  2. Step 2: Convert to fraction form
    51,704.53/77,537.66 = 18,415.76/x
  3. Step 3: Cross multiply
    51,704.53x = 77,537.66 × 18,415.76
  4. Step 4: Simplify right side
    51,704.53x = 1,427,914,457.75
  5. Step 5: Solve for x
    x = 1,427,914,457.75/51,704.53
  6. Step 6: Final answer
    x = 27,616.82

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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.