Home / 51,584.21-77,378.15-16,519.31

Finding the Fourth Proportional to 51,584.21, 77,378.15 and 16,519.31

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Solution

The fourth proportional to 51,584.21, 77,378.15 and 16,519.31 is: 24,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,584.21 : 77,378.15 = 16,519.31 : x
  2. Step 2: Convert to fraction form
    51,584.21/77,378.15 = 16,519.31/x
  3. Step 3: Cross multiply
    51,584.21x = 77,378.15 × 16,519.31
  4. Step 4: Simplify right side
    51,584.21x = 1,278,233,881.82
  5. Step 5: Solve for x
    x = 1,278,233,881.82/51,584.21
  6. Step 6: Final answer
    x = 24,779.56

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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.