Home / 29,961.47-41,348.40-18,028.55

Finding the Fourth Proportional to 29,961.47, 41,348.40 and 18,028.55

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Solution

The fourth proportional to 29,961.47, 41,348.40 and 18,028.55 is: 24,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,961.47 : 41,348.40 = 18,028.55 : x
  2. Step 2: Convert to fraction form
    29,961.47/41,348.40 = 18,028.55/x
  3. Step 3: Cross multiply
    29,961.47x = 41,348.40 × 18,028.55
  4. Step 4: Simplify right side
    29,961.47x = 745,451,696.82
  5. Step 5: Solve for x
    x = 745,451,696.82/29,961.47
  6. Step 6: Final answer
    x = 24,880.34

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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.