Home / 51,686.48-77,542.68-16,625.36

Finding the Fourth Proportional to 51,686.48, 77,542.68 and 16,625.36

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Solution

The fourth proportional to 51,686.48, 77,542.68 and 16,625.36 is: 24,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.48 : 77,542.68 = 16,625.36 : x
  2. Step 2: Convert to fraction form
    51,686.48/77,542.68 = 16,625.36/x
  3. Step 3: Cross multiply
    51,686.48x = 77,542.68 × 16,625.36
  4. Step 4: Simplify right side
    51,686.48x = 1,289,174,970.36
  5. Step 5: Solve for x
    x = 1,289,174,970.36/51,686.48
  6. Step 6: Final answer
    x = 24,942.21

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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.