Home / 31,293.11-46,946.96-13,764.31

Finding the Fourth Proportional to 31,293.11, 46,946.96 and 13,764.31

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Solution

The fourth proportional to 31,293.11, 46,946.96 and 13,764.31 is: 20,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.11 : 46,946.96 = 13,764.31 : x
  2. Step 2: Convert to fraction form
    31,293.11/46,946.96 = 13,764.31/x
  3. Step 3: Cross multiply
    31,293.11x = 46,946.96 × 13,764.31
  4. Step 4: Simplify right side
    31,293.11x = 646,192,511.00
  5. Step 5: Solve for x
    x = 646,192,511.00/31,293.11
  6. Step 6: Final answer
    x = 20,649.67

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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.