Home / 30,176.53-41,645.67-18,240.37

Finding the Fourth Proportional to 30,176.53, 41,645.67 and 18,240.37

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Solution

The fourth proportional to 30,176.53, 41,645.67 and 18,240.37 is: 25,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.53 : 41,645.67 = 18,240.37 : x
  2. Step 2: Convert to fraction form
    30,176.53/41,645.67 = 18,240.37/x
  3. Step 3: Cross multiply
    30,176.53x = 41,645.67 × 18,240.37
  4. Step 4: Simplify right side
    30,176.53x = 759,632,429.70
  5. Step 5: Solve for x
    x = 759,632,429.70/30,176.53
  6. Step 6: Final answer
    x = 25,172.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.