Home / 33,110.40-49,666.14-9,739.20

Finding the Fourth Proportional to 33,110.40, 49,666.14 and 9,739.20

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Solution

The fourth proportional to 33,110.40, 49,666.14 and 9,739.20 is: 14,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.40 : 49,666.14 = 9,739.20 : x
  2. Step 2: Convert to fraction form
    33,110.40/49,666.14 = 9,739.20/x
  3. Step 3: Cross multiply
    33,110.40x = 49,666.14 × 9,739.20
  4. Step 4: Simplify right side
    33,110.40x = 483,708,470.69
  5. Step 5: Solve for x
    x = 483,708,470.69/33,110.40
  6. Step 6: Final answer
    x = 14,608.96

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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.