Home / 31,538.26-47,295.81-10,474.48

Finding the Fourth Proportional to 31,538.26, 47,295.81 and 10,474.48

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Solution

The fourth proportional to 31,538.26, 47,295.81 and 10,474.48 is: 15,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.26 : 47,295.81 = 10,474.48 : x
  2. Step 2: Convert to fraction form
    31,538.26/47,295.81 = 10,474.48/x
  3. Step 3: Cross multiply
    31,538.26x = 47,295.81 × 10,474.48
  4. Step 4: Simplify right side
    31,538.26x = 495,399,015.93
  5. Step 5: Solve for x
    x = 495,399,015.93/31,538.26
  6. Step 6: Final answer
    x = 15,707.87

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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.