Home / 31,497.30-47,222.46-13,724.58

Finding the Fourth Proportional to 31,497.30, 47,222.46 and 13,724.58

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Solution

The fourth proportional to 31,497.30, 47,222.46 and 13,724.58 is: 20,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.30 : 47,222.46 = 13,724.58 : x
  2. Step 2: Convert to fraction form
    31,497.30/47,222.46 = 13,724.58/x
  3. Step 3: Cross multiply
    31,497.30x = 47,222.46 × 13,724.58
  4. Step 4: Simplify right side
    31,497.30x = 648,108,430.07
  5. Step 5: Solve for x
    x = 648,108,430.07/31,497.30
  6. Step 6: Final answer
    x = 20,576.63

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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.