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Finding the Fourth Proportional to 30,588.37, 45,866.04 and 9,519.28

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Solution

The fourth proportional to 30,588.37, 45,866.04 and 9,519.28 is: 14,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.37 : 45,866.04 = 9,519.28 : x
  2. Step 2: Convert to fraction form
    30,588.37/45,866.04 = 9,519.28/x
  3. Step 3: Cross multiply
    30,588.37x = 45,866.04 × 9,519.28
  4. Step 4: Simplify right side
    30,588.37x = 436,611,677.25
  5. Step 5: Solve for x
    x = 436,611,677.25/30,588.37
  6. Step 6: Final answer
    x = 14,273.78

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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.