Home / 31,917.68-47,884.28-9,731.48

Finding the Fourth Proportional to 31,917.68, 47,884.28 and 9,731.48

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Solution

The fourth proportional to 31,917.68, 47,884.28 and 9,731.48 is: 14,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.68 : 47,884.28 = 9,731.48 : x
  2. Step 2: Convert to fraction form
    31,917.68/47,884.28 = 9,731.48/x
  3. Step 3: Cross multiply
    31,917.68x = 47,884.28 × 9,731.48
  4. Step 4: Simplify right side
    31,917.68x = 465,984,913.13
  5. Step 5: Solve for x
    x = 465,984,913.13/31,917.68
  6. Step 6: Final answer
    x = 14,599.59

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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.