Home / 31,551.72-47,309.82-10,480.48

Finding the Fourth Proportional to 31,551.72, 47,309.82 and 10,480.48

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Solution

The fourth proportional to 31,551.72, 47,309.82 and 10,480.48 is: 15,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.72 : 47,309.82 = 10,480.48 : x
  2. Step 2: Convert to fraction form
    31,551.72/47,309.82 = 10,480.48/x
  3. Step 3: Cross multiply
    31,551.72x = 47,309.82 × 10,480.48
  4. Step 4: Simplify right side
    31,551.72x = 495,829,622.31
  5. Step 5: Solve for x
    x = 495,829,622.31/31,551.72
  6. Step 6: Final answer
    x = 15,714.82

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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.