Home / 47,028.20-70,542.30-36,647.72

Finding the Fourth Proportional to 47,028.20, 70,542.30 and 36,647.72

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Solution

The fourth proportional to 47,028.20, 70,542.30 and 36,647.72 is: 54,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.20 : 70,542.30 = 36,647.72 : x
  2. Step 2: Convert to fraction form
    47,028.20/70,542.30 = 36,647.72/x
  3. Step 3: Cross multiply
    47,028.20x = 70,542.30 × 36,647.72
  4. Step 4: Simplify right side
    47,028.20x = 2,585,214,458.56
  5. Step 5: Solve for x
    x = 2,585,214,458.56/47,028.20
  6. Step 6: Final answer
    x = 54,971.58

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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.