Home / 31,539.26-47,297.30-10,475.48

Finding the Fourth Proportional to 31,539.26, 47,297.30 and 10,475.48

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Solution

The fourth proportional to 31,539.26, 47,297.30 and 10,475.48 is: 15,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.26 : 47,297.30 = 10,475.48 : x
  2. Step 2: Convert to fraction form
    31,539.26/47,297.30 = 10,475.48/x
  3. Step 3: Cross multiply
    31,539.26x = 47,297.30 × 10,475.48
  4. Step 4: Simplify right side
    31,539.26x = 495,461,920.20
  5. Step 5: Solve for x
    x = 495,461,920.20/31,539.26
  6. Step 6: Final answer
    x = 15,709.37

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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.