Home / 36,021.60-54,051.78-17,553.60

Finding the Fourth Proportional to 36,021.60, 54,051.78 and 17,553.60

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Solution

The fourth proportional to 36,021.60, 54,051.78 and 17,553.60 is: 26,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.60 : 54,051.78 = 17,553.60 : x
  2. Step 2: Convert to fraction form
    36,021.60/54,051.78 = 17,553.60/x
  3. Step 3: Cross multiply
    36,021.60x = 54,051.78 × 17,553.60
  4. Step 4: Simplify right side
    36,021.60x = 948,803,325.41
  5. Step 5: Solve for x
    x = 948,803,325.41/36,021.60
  6. Step 6: Final answer
    x = 26,339.84

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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.