Home / 31,823.05-47,741.46-12,101.98

Finding the Fourth Proportional to 31,823.05, 47,741.46 and 12,101.98

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Solution

The fourth proportional to 31,823.05, 47,741.46 and 12,101.98 is: 18,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.05 : 47,741.46 = 12,101.98 : x
  2. Step 2: Convert to fraction form
    31,823.05/47,741.46 = 12,101.98/x
  3. Step 3: Cross multiply
    31,823.05x = 47,741.46 × 12,101.98
  4. Step 4: Simplify right side
    31,823.05x = 577,766,194.09
  5. Step 5: Solve for x
    x = 577,766,194.09/31,823.05
  6. Step 6: Final answer
    x = 18,155.59

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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.