Home / 31,416.03-47,124.02-8,042.43

Finding the Fourth Proportional to 31,416.03, 47,124.02 and 8,042.43

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Solution

The fourth proportional to 31,416.03, 47,124.02 and 8,042.43 is: 12,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.03 : 47,124.02 = 8,042.43 : x
  2. Step 2: Convert to fraction form
    31,416.03/47,124.02 = 8,042.43/x
  3. Step 3: Cross multiply
    31,416.03x = 47,124.02 × 8,042.43
  4. Step 4: Simplify right side
    31,416.03x = 378,991,591.96
  5. Step 5: Solve for x
    x = 378,991,591.96/31,416.03
  6. Step 6: Final answer
    x = 12,063.64

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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.