Home / 30,122.78-41,573.91-17,373.57

Finding the Fourth Proportional to 30,122.78, 41,573.91 and 17,373.57

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Solution

The fourth proportional to 30,122.78, 41,573.91 and 17,373.57 is: 23,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.78 : 41,573.91 = 17,373.57 : x
  2. Step 2: Convert to fraction form
    30,122.78/41,573.91 = 17,373.57/x
  3. Step 3: Cross multiply
    30,122.78x = 41,573.91 × 17,373.57
  4. Step 4: Simplify right side
    30,122.78x = 722,287,235.56
  5. Step 5: Solve for x
    x = 722,287,235.56/30,122.78
  6. Step 6: Final answer
    x = 23,978.11

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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.