Home / 31,558.70-47,329.92-9,366.80

Finding the Fourth Proportional to 31,558.70, 47,329.92 and 9,366.80

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Solution

The fourth proportional to 31,558.70, 47,329.92 and 9,366.80 is: 14,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558.70 : 47,329.92 = 9,366.80 : x
  2. Step 2: Convert to fraction form
    31,558.70/47,329.92 = 9,366.80/x
  3. Step 3: Cross multiply
    31,558.70x = 47,329.92 × 9,366.80
  4. Step 4: Simplify right side
    31,558.70x = 443,329,894.66
  5. Step 5: Solve for x
    x = 443,329,894.66/31,558.70
  6. Step 6: Final answer
    x = 14,047.79

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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.