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Finding the Fourth Proportional to 32,959.88, 49,447.16 and 18,161.18

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Solution

The fourth proportional to 32,959.88, 49,447.16 and 18,161.18 is: 27,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,959.88 : 49,447.16 = 18,161.18 : x
  2. Step 2: Convert to fraction form
    32,959.88/49,447.16 = 18,161.18/x
  3. Step 3: Cross multiply
    32,959.88x = 49,447.16 × 18,161.18
  4. Step 4: Simplify right side
    32,959.88x = 898,018,773.25
  5. Step 5: Solve for x
    x = 898,018,773.25/32,959.88
  6. Step 6: Final answer
    x = 27,245.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.