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Finding the Fourth Proportional to 57,052.98, 85,580.64 and 17,610.12

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Solution

The fourth proportional to 57,052.98, 85,580.64 and 17,610.12 is: 26,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.98 : 85,580.64 = 17,610.12 : x
  2. Step 2: Convert to fraction form
    57,052.98/85,580.64 = 17,610.12/x
  3. Step 3: Cross multiply
    57,052.98x = 85,580.64 × 17,610.12
  4. Step 4: Simplify right side
    57,052.98x = 1,507,085,340.08
  5. Step 5: Solve for x
    x = 1,507,085,340.08/57,052.98
  6. Step 6: Final answer
    x = 26,415.54

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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.