Home / 36,415.96-54,625.86-20,848.60

Finding the Fourth Proportional to 36,415.96, 54,625.86 and 20,848.60

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Solution

The fourth proportional to 36,415.96, 54,625.86 and 20,848.60 is: 31,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.96 : 54,625.86 = 20,848.60 : x
  2. Step 2: Convert to fraction form
    36,415.96/54,625.86 = 20,848.60/x
  3. Step 3: Cross multiply
    36,415.96x = 54,625.86 × 20,848.60
  4. Step 4: Simplify right side
    36,415.96x = 1,138,872,704.80
  5. Step 5: Solve for x
    x = 1,138,872,704.80/36,415.96
  6. Step 6: Final answer
    x = 31,274.00

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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.