Home / 51,579.75-77,370.32-16,519.41

Finding the Fourth Proportional to 51,579.75, 77,370.32 and 16,519.41

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Solution

The fourth proportional to 51,579.75, 77,370.32 and 16,519.41 is: 24,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.75 : 77,370.32 = 16,519.41 : x
  2. Step 2: Convert to fraction form
    51,579.75/77,370.32 = 16,519.41/x
  3. Step 3: Cross multiply
    51,579.75x = 77,370.32 × 16,519.41
  4. Step 4: Simplify right side
    51,579.75x = 1,278,111,955.31
  5. Step 5: Solve for x
    x = 1,278,111,955.31/51,579.75
  6. Step 6: Final answer
    x = 24,779.34

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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.