Home / 31,551.06-47,240.37-30,714.54

Finding the Fourth Proportional to 31,551.06, 47,240.37 and 30,714.54

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Solution

The fourth proportional to 31,551.06, 47,240.37 and 30,714.54 is: 45,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.06 : 47,240.37 = 30,714.54 : x
  2. Step 2: Convert to fraction form
    31,551.06/47,240.37 = 30,714.54/x
  3. Step 3: Cross multiply
    31,551.06x = 47,240.37 × 30,714.54
  4. Step 4: Simplify right side
    31,551.06x = 1,450,966,233.98
  5. Step 5: Solve for x
    x = 1,450,966,233.98/31,551.06
  6. Step 6: Final answer
    x = 45,987.88

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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.