Home / 51,775.46-77,679.49-18,494.79

Finding the Fourth Proportional to 51,775.46, 77,679.49 and 18,494.79

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Solution

The fourth proportional to 51,775.46, 77,679.49 and 18,494.79 is: 27,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775.46 : 77,679.49 = 18,494.79 : x
  2. Step 2: Convert to fraction form
    51,775.46/77,679.49 = 18,494.79/x
  3. Step 3: Cross multiply
    51,775.46x = 77,679.49 × 18,494.79
  4. Step 4: Simplify right side
    51,775.46x = 1,436,665,466.46
  5. Step 5: Solve for x
    x = 1,436,665,466.46/51,775.46
  6. Step 6: Final answer
    x = 27,748.00

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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.