Home / 49,986.48-74,952.18-16,689

Finding the Fourth Proportional to 49,986.48, 74,952.18 and 16,689

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Solution

The fourth proportional to 49,986.48, 74,952.18 and 16,689 is: 25,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.48 : 74,952.18 = 16,689 : x
  2. Step 2: Convert to fraction form
    49,986.48/74,952.18 = 16,689/x
  3. Step 3: Cross multiply
    49,986.48x = 74,952.18 × 16,689
  4. Step 4: Simplify right side
    49,986.48x = 1,250,876,932.02
  5. Step 5: Solve for x
    x = 1,250,876,932.02/49,986.48
  6. Step 6: Final answer
    x = 25,024.31

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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.