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Finding the Fourth Proportional to 61,246.43, 84,517.94 and 37,412.99

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Solution

The fourth proportional to 61,246.43, 84,517.94 and 37,412.99 is: 51,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.43 : 84,517.94 = 37,412.99 : x
  2. Step 2: Convert to fraction form
    61,246.43/84,517.94 = 37,412.99/x
  3. Step 3: Cross multiply
    61,246.43x = 84,517.94 × 37,412.99
  4. Step 4: Simplify right side
    61,246.43x = 3,162,068,656.98
  5. Step 5: Solve for x
    x = 3,162,068,656.98/61,246.43
  6. Step 6: Final answer
    x = 51,628.62

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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.