Home / 30,122.08-41,567.78-17,375.31

Finding the Fourth Proportional to 30,122.08, 41,567.78 and 17,375.31

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Solution

The fourth proportional to 30,122.08, 41,567.78 and 17,375.31 is: 23,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.08 : 41,567.78 = 17,375.31 : x
  2. Step 2: Convert to fraction form
    30,122.08/41,567.78 = 17,375.31/x
  3. Step 3: Cross multiply
    30,122.08x = 41,567.78 × 17,375.31
  4. Step 4: Simplify right side
    30,122.08x = 722,253,106.95
  5. Step 5: Solve for x
    x = 722,253,106.95/30,122.08
  6. Step 6: Final answer
    x = 23,977.53

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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.