Home / 31,464.75-47,196.91-12,744.51

Finding the Fourth Proportional to 31,464.75, 47,196.91 and 12,744.51

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Solution

The fourth proportional to 31,464.75, 47,196.91 and 12,744.51 is: 19,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.75 : 47,196.91 = 12,744.51 : x
  2. Step 2: Convert to fraction form
    31,464.75/47,196.91 = 12,744.51/x
  3. Step 3: Cross multiply
    31,464.75x = 47,196.91 × 12,744.51
  4. Step 4: Simplify right side
    31,464.75x = 601,501,330.41
  5. Step 5: Solve for x
    x = 601,501,330.41/31,464.75
  6. Step 6: Final answer
    x = 19,116.67

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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.