Home / 31,819.08-47,664.98-19,161.83

Finding the Fourth Proportional to 31,819.08, 47,664.98 and 19,161.83

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Solution

The fourth proportional to 31,819.08, 47,664.98 and 19,161.83 is: 28,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819.08 : 47,664.98 = 19,161.83 : x
  2. Step 2: Convert to fraction form
    31,819.08/47,664.98 = 19,161.83/x
  3. Step 3: Cross multiply
    31,819.08x = 47,664.98 × 19,161.83
  4. Step 4: Simplify right side
    31,819.08x = 913,347,909.58
  5. Step 5: Solve for x
    x = 913,347,909.58/31,819.08
  6. Step 6: Final answer
    x = 28,704.41

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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.