Home / 53,789.86-74,232.75-29,917

Finding the Fourth Proportional to 53,789.86, 74,232.75 and 29,917

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Solution

The fourth proportional to 53,789.86, 74,232.75 and 29,917 is: 41,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.86 : 74,232.75 = 29,917 : x
  2. Step 2: Convert to fraction form
    53,789.86/74,232.75 = 29,917/x
  3. Step 3: Cross multiply
    53,789.86x = 74,232.75 × 29,917
  4. Step 4: Simplify right side
    53,789.86x = 2,220,821,181.75
  5. Step 5: Solve for x
    x = 2,220,821,181.75/53,789.86
  6. Step 6: Final answer
    x = 41,286.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.