Home / 61,246.20-91,869.30-21,847.80

Finding the Fourth Proportional to 61,246.20, 91,869.30 and 21,847.80

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Solution

The fourth proportional to 61,246.20, 91,869.30 and 21,847.80 is: 32,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.20 : 91,869.30 = 21,847.80 : x
  2. Step 2: Convert to fraction form
    61,246.20/91,869.30 = 21,847.80/x
  3. Step 3: Cross multiply
    61,246.20x = 91,869.30 × 21,847.80
  4. Step 4: Simplify right side
    61,246.20x = 2,007,142,092.54
  5. Step 5: Solve for x
    x = 2,007,142,092.54/61,246.20
  6. Step 6: Final answer
    x = 32,771.70

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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.