Home / 31,583.12-47,350.37-19,100.21

Finding the Fourth Proportional to 31,583.12, 47,350.37 and 19,100.21

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Solution

The fourth proportional to 31,583.12, 47,350.37 and 19,100.21 is: 28,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.12 : 47,350.37 = 19,100.21 : x
  2. Step 2: Convert to fraction form
    31,583.12/47,350.37 = 19,100.21/x
  3. Step 3: Cross multiply
    31,583.12x = 47,350.37 × 19,100.21
  4. Step 4: Simplify right side
    31,583.12x = 904,401,821.58
  5. Step 5: Solve for x
    x = 904,401,821.58/31,583.12
  6. Step 6: Final answer
    x = 28,635.61

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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.