Home / 40,783.89-61,200.44-14,486.58

Finding the Fourth Proportional to 40,783.89, 61,200.44 and 14,486.58

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Solution

The fourth proportional to 40,783.89, 61,200.44 and 14,486.58 is: 21,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.89 : 61,200.44 = 14,486.58 : x
  2. Step 2: Convert to fraction form
    40,783.89/61,200.44 = 14,486.58/x
  3. Step 3: Cross multiply
    40,783.89x = 61,200.44 × 14,486.58
  4. Step 4: Simplify right side
    40,783.89x = 886,584,997.66
  5. Step 5: Solve for x
    x = 886,584,997.66/40,783.89
  6. Step 6: Final answer
    x = 21,738.61

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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.