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Finding the Fourth Proportional to 34,046.88, 50,984.64 and 21,528.96

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Solution

The fourth proportional to 34,046.88, 50,984.64 and 21,528.96 is: 32,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,046.88 : 50,984.64 = 21,528.96 : x
  2. Step 2: Convert to fraction form
    34,046.88/50,984.64 = 21,528.96/x
  3. Step 3: Cross multiply
    34,046.88x = 50,984.64 × 21,528.96
  4. Step 4: Simplify right side
    34,046.88x = 1,097,646,275.17
  5. Step 5: Solve for x
    x = 1,097,646,275.17/34,046.88
  6. Step 6: Final answer
    x = 32,239.26

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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.