Home / 31,861.24-47,788.76-9,674.81

Finding the Fourth Proportional to 31,861.24, 47,788.76 and 9,674.81

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Solution

The fourth proportional to 31,861.24, 47,788.76 and 9,674.81 is: 14,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.24 : 47,788.76 = 9,674.81 : x
  2. Step 2: Convert to fraction form
    31,861.24/47,788.76 = 9,674.81/x
  3. Step 3: Cross multiply
    31,861.24x = 47,788.76 × 9,674.81
  4. Step 4: Simplify right side
    31,861.24x = 462,346,934.19
  5. Step 5: Solve for x
    x = 462,346,934.19/31,861.24
  6. Step 6: Final answer
    x = 14,511.27

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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.