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Finding the Fourth Proportional to 56,550.72, 84,812.85 and 16,560.81

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Solution

The fourth proportional to 56,550.72, 84,812.85 and 16,560.81 is: 24,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,550.72 : 84,812.85 = 16,560.81 : x
  2. Step 2: Convert to fraction form
    56,550.72/84,812.85 = 16,560.81/x
  3. Step 3: Cross multiply
    56,550.72x = 84,812.85 × 16,560.81
  4. Step 4: Simplify right side
    56,550.72x = 1,404,569,494.41
  5. Step 5: Solve for x
    x = 1,404,569,494.41/56,550.72
  6. Step 6: Final answer
    x = 24,837.34

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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.