Home / 30,557.22-45,835.87-8,370.79

Finding the Fourth Proportional to 30,557.22, 45,835.87 and 8,370.79

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Solution

The fourth proportional to 30,557.22, 45,835.87 and 8,370.79 is: 12,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.22 : 45,835.87 = 8,370.79 : x
  2. Step 2: Convert to fraction form
    30,557.22/45,835.87 = 8,370.79/x
  3. Step 3: Cross multiply
    30,557.22x = 45,835.87 × 8,370.79
  4. Step 4: Simplify right side
    30,557.22x = 383,682,577.75
  5. Step 5: Solve for x
    x = 383,682,577.75/30,557.22
  6. Step 6: Final answer
    x = 12,556.20

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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.