Home / 31,372.48-47,058.38-7,998.68

Finding the Fourth Proportional to 31,372.48, 47,058.38 and 7,998.68

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Solution

The fourth proportional to 31,372.48, 47,058.38 and 7,998.68 is: 11,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.48 : 47,058.38 = 7,998.68 : x
  2. Step 2: Convert to fraction form
    31,372.48/47,058.38 = 7,998.68/x
  3. Step 3: Cross multiply
    31,372.48x = 47,058.38 × 7,998.68
  4. Step 4: Simplify right side
    31,372.48x = 376,404,922.94
  5. Step 5: Solve for x
    x = 376,404,922.94/31,372.48
  6. Step 6: Final answer
    x = 11,997.93

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1.5x scale

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.