Home / 33,110.80-49,666.20-9,739.60

Finding the Fourth Proportional to 33,110.80, 49,666.20 and 9,739.60

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Solution

The fourth proportional to 33,110.80, 49,666.20 and 9,739.60 is: 14,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.80 : 49,666.20 = 9,739.60 : x
  2. Step 2: Convert to fraction form
    33,110.80/49,666.20 = 9,739.60/x
  3. Step 3: Cross multiply
    33,110.80x = 49,666.20 × 9,739.60
  4. Step 4: Simplify right side
    33,110.80x = 483,728,921.52
  5. Step 5: Solve for x
    x = 483,728,921.52/33,110.80
  6. Step 6: Final answer
    x = 14,609.40

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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.