Home / 51,724.56-77,590.68-16,689.36

Finding the Fourth Proportional to 51,724.56, 77,590.68 and 16,689.36

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Solution

The fourth proportional to 51,724.56, 77,590.68 and 16,689.36 is: 25,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.56 : 77,590.68 = 16,689.36 : x
  2. Step 2: Convert to fraction form
    51,724.56/77,590.68 = 16,689.36/x
  3. Step 3: Cross multiply
    51,724.56x = 77,590.68 × 16,689.36
  4. Step 4: Simplify right side
    51,724.56x = 1,294,938,791.16
  5. Step 5: Solve for x
    x = 1,294,938,791.16/51,724.56
  6. Step 6: Final answer
    x = 25,035.28

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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.