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Finding the Fourth Proportional to 29,102.94, 40,180.86 and 18,362.88

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Solution

The fourth proportional to 29,102.94, 40,180.86 and 18,362.88 is: 25,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.94 : 40,180.86 = 18,362.88 : x
  2. Step 2: Convert to fraction form
    29,102.94/40,180.86 = 18,362.88/x
  3. Step 3: Cross multiply
    29,102.94x = 40,180.86 × 18,362.88
  4. Step 4: Simplify right side
    29,102.94x = 737,836,310.48
  5. Step 5: Solve for x
    x = 737,836,310.48/29,102.94
  6. Step 6: Final answer
    x = 25,352.64

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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.