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Finding the Fourth Proportional to 59,664.56, 89,440.94 and 20,194.04

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Solution

The fourth proportional to 59,664.56, 89,440.94 and 20,194.04 is: 30,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,664.56 : 89,440.94 = 20,194.04 : x
  2. Step 2: Convert to fraction form
    59,664.56/89,440.94 = 20,194.04/x
  3. Step 3: Cross multiply
    59,664.56x = 89,440.94 × 20,194.04
  4. Step 4: Simplify right side
    59,664.56x = 1,806,173,920.00
  5. Step 5: Solve for x
    x = 1,806,173,920.00/59,664.56
  6. Step 6: Final answer
    x = 30,272.14

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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.