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Finding the Fourth Proportional to 56,504.70, 84,723.22 and 19,063.94

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Solution

The fourth proportional to 56,504.70, 84,723.22 and 19,063.94 is: 28,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.70 : 84,723.22 = 19,063.94 : x
  2. Step 2: Convert to fraction form
    56,504.70/84,723.22 = 19,063.94/x
  3. Step 3: Cross multiply
    56,504.70x = 84,723.22 × 19,063.94
  4. Step 4: Simplify right side
    56,504.70x = 1,615,158,287.37
  5. Step 5: Solve for x
    x = 1,615,158,287.37/56,504.70
  6. Step 6: Final answer
    x = 28,584.49

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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.