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Finding the Fourth Proportional to 45,243, 67,855.10 and 17,153.37

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Solution

The fourth proportional to 45,243, 67,855.10 and 17,153.37 is: 25,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243 : 67,855.10 = 17,153.37 : x
  2. Step 2: Convert to fraction form
    45,243/67,855.10 = 17,153.37/x
  3. Step 3: Cross multiply
    45,243x = 67,855.10 × 17,153.37
  4. Step 4: Simplify right side
    45,243x = 1,163,943,550.92
  5. Step 5: Solve for x
    x = 1,163,943,550.92/45,243
  6. Step 6: Final answer
    x = 25,726.49

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1.5x scale

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.