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Finding the Fourth Proportional to 61,793.04, 85,274.76 and 33,499.20

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Solution

The fourth proportional to 61,793.04, 85,274.76 and 33,499.20 is: 46,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.04 : 85,274.76 = 33,499.20 : x
  2. Step 2: Convert to fraction form
    61,793.04/85,274.76 = 33,499.20/x
  3. Step 3: Cross multiply
    61,793.04x = 85,274.76 × 33,499.20
  4. Step 4: Simplify right side
    61,793.04x = 2,856,636,240.19
  5. Step 5: Solve for x
    x = 2,856,636,240.19/61,793.04
  6. Step 6: Final answer
    x = 46,229.09

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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.