Home / 30,117.83-41,561.49-17,371.55

Finding the Fourth Proportional to 30,117.83, 41,561.49 and 17,371.55

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Solution

The fourth proportional to 30,117.83, 41,561.49 and 17,371.55 is: 23,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.83 : 41,561.49 = 17,371.55 : x
  2. Step 2: Convert to fraction form
    30,117.83/41,561.49 = 17,371.55/x
  3. Step 3: Cross multiply
    30,117.83x = 41,561.49 × 17,371.55
  4. Step 4: Simplify right side
    30,117.83x = 721,987,293.80
  5. Step 5: Solve for x
    x = 721,987,293.80/30,117.83
  6. Step 6: Final answer
    x = 23,972.09

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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.