Home / 53,586.54-80,361.33-21,987.63

Finding the Fourth Proportional to 53,586.54, 80,361.33 and 21,987.63

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Solution

The fourth proportional to 53,586.54, 80,361.33 and 21,987.63 is: 32,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.54 : 80,361.33 = 21,987.63 : x
  2. Step 2: Convert to fraction form
    53,586.54/80,361.33 = 21,987.63/x
  3. Step 3: Cross multiply
    53,586.54x = 80,361.33 × 21,987.63
  4. Step 4: Simplify right side
    53,586.54x = 1,766,955,190.35
  5. Step 5: Solve for x
    x = 1,766,955,190.35/53,586.54
  6. Step 6: Final answer
    x = 32,973.86

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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.