Home / 60,131.92-90,172.49-18,017.98

Finding the Fourth Proportional to 60,131.92, 90,172.49 and 18,017.98

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Solution

The fourth proportional to 60,131.92, 90,172.49 and 18,017.98 is: 27,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,131.92 : 90,172.49 = 18,017.98 : x
  2. Step 2: Convert to fraction form
    60,131.92/90,172.49 = 18,017.98/x
  3. Step 3: Cross multiply
    60,131.92x = 90,172.49 × 18,017.98
  4. Step 4: Simplify right side
    60,131.92x = 1,624,726,121.37
  5. Step 5: Solve for x
    x = 1,624,726,121.37/60,131.92
  6. Step 6: Final answer
    x = 27,019.36

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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.