Home / 51,959.56-77,939.50-14,519.39

Finding the Fourth Proportional to 51,959.56, 77,939.50 and 14,519.39

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Solution

The fourth proportional to 51,959.56, 77,939.50 and 14,519.39 is: 21,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959.56 : 77,939.50 = 14,519.39 : x
  2. Step 2: Convert to fraction form
    51,959.56/77,939.50 = 14,519.39/x
  3. Step 3: Cross multiply
    51,959.56x = 77,939.50 × 14,519.39
  4. Step 4: Simplify right side
    51,959.56x = 1,131,633,598.13
  5. Step 5: Solve for x
    x = 1,131,633,598.13/51,959.56
  6. Step 6: Final answer
    x = 21,779.12

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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.