Home / 30,370.96-45,556.85-10,650.09

Finding the Fourth Proportional to 30,370.96, 45,556.85 and 10,650.09

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Solution

The fourth proportional to 30,370.96, 45,556.85 and 10,650.09 is: 15,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.96 : 45,556.85 = 10,650.09 : x
  2. Step 2: Convert to fraction form
    30,370.96/45,556.85 = 10,650.09/x
  3. Step 3: Cross multiply
    30,370.96x = 45,556.85 × 10,650.09
  4. Step 4: Simplify right side
    30,370.96x = 485,184,499.37
  5. Step 5: Solve for x
    x = 485,184,499.37/30,370.96
  6. Step 6: Final answer
    x = 15,975.28

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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.