Home / 31,410.06-47,102.32-15,609.44

Finding the Fourth Proportional to 31,410.06, 47,102.32 and 15,609.44

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Solution

The fourth proportional to 31,410.06, 47,102.32 and 15,609.44 is: 23,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.06 : 47,102.32 = 15,609.44 : x
  2. Step 2: Convert to fraction form
    31,410.06/47,102.32 = 15,609.44/x
  3. Step 3: Cross multiply
    31,410.06x = 47,102.32 × 15,609.44
  4. Step 4: Simplify right side
    31,410.06x = 735,240,837.90
  5. Step 5: Solve for x
    x = 735,240,837.90/31,410.06
  6. Step 6: Final answer
    x = 23,407.81

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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.