Home / 31,905.74-47,844.74-9,713.92

Finding the Fourth Proportional to 31,905.74, 47,844.74 and 9,713.92

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Solution

The fourth proportional to 31,905.74, 47,844.74 and 9,713.92 is: 14,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.74 : 47,844.74 = 9,713.92 : x
  2. Step 2: Convert to fraction form
    31,905.74/47,844.74 = 9,713.92/x
  3. Step 3: Cross multiply
    31,905.74x = 47,844.74 × 9,713.92
  4. Step 4: Simplify right side
    31,905.74x = 464,759,976.78
  5. Step 5: Solve for x
    x = 464,759,976.78/31,905.74
  6. Step 6: Final answer
    x = 14,566.66

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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.