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Finding the Fourth Proportional to 32,991.75, 45,528.74 and 17,884.44

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Solution

The fourth proportional to 32,991.75, 45,528.74 and 17,884.44 is: 24,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.75 : 45,528.74 = 17,884.44 : x
  2. Step 2: Convert to fraction form
    32,991.75/45,528.74 = 17,884.44/x
  3. Step 3: Cross multiply
    32,991.75x = 45,528.74 × 17,884.44
  4. Step 4: Simplify right side
    32,991.75x = 814,256,018.81
  5. Step 5: Solve for x
    x = 814,256,018.81/32,991.75
  6. Step 6: Final answer
    x = 24,680.59

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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.