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Finding the Fourth Proportional to 56,562.52, 84,832.80 and 17,110.40

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Solution

The fourth proportional to 56,562.52, 84,832.80 and 17,110.40 is: 25,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,562.52 : 84,832.80 = 17,110.40 : x
  2. Step 2: Convert to fraction form
    56,562.52/84,832.80 = 17,110.40/x
  3. Step 3: Cross multiply
    56,562.52x = 84,832.80 × 17,110.40
  4. Step 4: Simplify right side
    56,562.52x = 1,451,523,141.12
  5. Step 5: Solve for x
    x = 1,451,523,141.12/56,562.52
  6. Step 6: Final answer
    x = 25,662.28

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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.