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Finding the Fourth Proportional to 19,353.12, 29,034.48 and 5,502

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Solution

The fourth proportional to 19,353.12, 29,034.48 and 5,502 is: 8,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.12 : 29,034.48 = 5,502 : x
  2. Step 2: Convert to fraction form
    19,353.12/29,034.48 = 5,502/x
  3. Step 3: Cross multiply
    19,353.12x = 29,034.48 × 5,502
  4. Step 4: Simplify right side
    19,353.12x = 159,747,708.96
  5. Step 5: Solve for x
    x = 159,747,708.96/19,353.12
  6. Step 6: Final answer
    x = 8,254.36

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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.