Home / 53,586.62-80,374.22-21,999.99

Finding the Fourth Proportional to 53,586.62, 80,374.22 and 21,999.99

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Solution

The fourth proportional to 53,586.62, 80,374.22 and 21,999.99 is: 32,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.62 : 80,374.22 = 21,999.99 : x
  2. Step 2: Convert to fraction form
    53,586.62/80,374.22 = 21,999.99/x
  3. Step 3: Cross multiply
    53,586.62x = 80,374.22 × 21,999.99
  4. Step 4: Simplify right side
    53,586.62x = 1,768,232,036.26
  5. Step 5: Solve for x
    x = 1,768,232,036.26/53,586.62
  6. Step 6: Final answer
    x = 32,997.64

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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.