Home / 36,399.60-54,612.54-12,710.64

Finding the Fourth Proportional to 36,399.60, 54,612.54 and 12,710.64

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Solution

The fourth proportional to 36,399.60, 54,612.54 and 12,710.64 is: 19,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.60 : 54,612.54 = 12,710.64 : x
  2. Step 2: Convert to fraction form
    36,399.60/54,612.54 = 12,710.64/x
  3. Step 3: Cross multiply
    36,399.60x = 54,612.54 × 12,710.64
  4. Step 4: Simplify right side
    36,399.60x = 694,160,233.03
  5. Step 5: Solve for x
    x = 694,160,233.03/36,399.60
  6. Step 6: Final answer
    x = 19,070.55

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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.