Home / 33,116.40-49,609.80-19,929.60

Finding the Fourth Proportional to 33,116.40, 49,609.80 and 19,929.60

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Solution

The fourth proportional to 33,116.40, 49,609.80 and 19,929.60 is: 29,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.40 : 49,609.80 = 19,929.60 : x
  2. Step 2: Convert to fraction form
    33,116.40/49,609.80 = 19,929.60/x
  3. Step 3: Cross multiply
    33,116.40x = 49,609.80 × 19,929.60
  4. Step 4: Simplify right side
    33,116.40x = 988,703,470.08
  5. Step 5: Solve for x
    x = 988,703,470.08/33,116.40
  6. Step 6: Final answer
    x = 29,855.40

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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.