Home / 31,467.06-47,206.96-10,408.68

Finding the Fourth Proportional to 31,467.06, 47,206.96 and 10,408.68

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Solution

The fourth proportional to 31,467.06, 47,206.96 and 10,408.68 is: 15,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.06 : 47,206.96 = 10,408.68 : x
  2. Step 2: Convert to fraction form
    31,467.06/47,206.96 = 10,408.68/x
  3. Step 3: Cross multiply
    31,467.06x = 47,206.96 × 10,408.68
  4. Step 4: Simplify right side
    31,467.06x = 491,362,140.41
  5. Step 5: Solve for x
    x = 491,362,140.41/31,467.06
  6. Step 6: Final answer
    x = 15,615.13

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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.