Home / 31,694.76-47,543.34-14,164.74

Finding the Fourth Proportional to 31,694.76, 47,543.34 and 14,164.74

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Solution

The fourth proportional to 31,694.76, 47,543.34 and 14,164.74 is: 21,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.76 : 47,543.34 = 14,164.74 : x
  2. Step 2: Convert to fraction form
    31,694.76/47,543.34 = 14,164.74/x
  3. Step 3: Cross multiply
    31,694.76x = 47,543.34 × 14,164.74
  4. Step 4: Simplify right side
    31,694.76x = 673,439,049.83
  5. Step 5: Solve for x
    x = 673,439,049.83/31,694.76
  6. Step 6: Final answer
    x = 21,247.65

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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.