Home / 33,720-46,530.27-18,611.69

Finding the Fourth Proportional to 33,720, 46,530.27 and 18,611.69

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Solution

The fourth proportional to 33,720, 46,530.27 and 18,611.69 is: 25,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720 : 46,530.27 = 18,611.69 : x
  2. Step 2: Convert to fraction form
    33,720/46,530.27 = 18,611.69/x
  3. Step 3: Cross multiply
    33,720x = 46,530.27 × 18,611.69
  4. Step 4: Simplify right side
    33,720x = 866,006,728.20
  5. Step 5: Solve for x
    x = 866,006,728.20/33,720
  6. Step 6: Final answer
    x = 25,682.29

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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.