Home / 30,180.51-41,644.67-16,751.87

Finding the Fourth Proportional to 30,180.51, 41,644.67 and 16,751.87

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Solution

The fourth proportional to 30,180.51, 41,644.67 and 16,751.87 is: 23,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.51 : 41,644.67 = 16,751.87 : x
  2. Step 2: Convert to fraction form
    30,180.51/41,644.67 = 16,751.87/x
  3. Step 3: Cross multiply
    30,180.51x = 41,644.67 × 16,751.87
  4. Step 4: Simplify right side
    30,180.51x = 697,625,806.05
  5. Step 5: Solve for x
    x = 697,625,806.05/30,180.51
  6. Step 6: Final answer
    x = 23,115.11

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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.