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Finding the Fourth Proportional to 61,940.30, 92,910.45 and 22,498.70

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Solution

The fourth proportional to 61,940.30, 92,910.45 and 22,498.70 is: 33,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.30 : 92,910.45 = 22,498.70 : x
  2. Step 2: Convert to fraction form
    61,940.30/92,910.45 = 22,498.70/x
  3. Step 3: Cross multiply
    61,940.30x = 92,910.45 × 22,498.70
  4. Step 4: Simplify right side
    61,940.30x = 2,090,364,341.42
  5. Step 5: Solve for x
    x = 2,090,364,341.42/61,940.30
  6. Step 6: Final answer
    x = 33,748.05

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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.