Home / 36,351.40-54,527.10-18,826.60

Finding the Fourth Proportional to 36,351.40, 54,527.10 and 18,826.60

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Solution

The fourth proportional to 36,351.40, 54,527.10 and 18,826.60 is: 28,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351.40 : 54,527.10 = 18,826.60 : x
  2. Step 2: Convert to fraction form
    36,351.40/54,527.10 = 18,826.60/x
  3. Step 3: Cross multiply
    36,351.40x = 54,527.10 × 18,826.60
  4. Step 4: Simplify right side
    36,351.40x = 1,026,559,900.86
  5. Step 5: Solve for x
    x = 1,026,559,900.86/36,351.40
  6. Step 6: Final answer
    x = 28,239.90

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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.