Home / 31,212.24-46,823.03-11,489.30

Finding the Fourth Proportional to 31,212.24, 46,823.03 and 11,489.30

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Solution

The fourth proportional to 31,212.24, 46,823.03 and 11,489.30 is: 17,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.24 : 46,823.03 = 11,489.30 : x
  2. Step 2: Convert to fraction form
    31,212.24/46,823.03 = 11,489.30/x
  3. Step 3: Cross multiply
    31,212.24x = 46,823.03 × 11,489.30
  4. Step 4: Simplify right side
    31,212.24x = 537,963,838.58
  5. Step 5: Solve for x
    x = 537,963,838.58/31,212.24
  6. Step 6: Final answer
    x = 17,235.67

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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.