Home / 29,172.88-40,258.56-17,240.50

Finding the Fourth Proportional to 29,172.88, 40,258.56 and 17,240.50

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Solution

The fourth proportional to 29,172.88, 40,258.56 and 17,240.50 is: 23,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.88 : 40,258.56 = 17,240.50 : x
  2. Step 2: Convert to fraction form
    29,172.88/40,258.56 = 17,240.50/x
  3. Step 3: Cross multiply
    29,172.88x = 40,258.56 × 17,240.50
  4. Step 4: Simplify right side
    29,172.88x = 694,077,703.68
  5. Step 5: Solve for x
    x = 694,077,703.68/29,172.88
  6. Step 6: Final answer
    x = 23,791.88

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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.