Home / 33,276.81-45,905.42-19,838.60

Finding the Fourth Proportional to 33,276.81, 45,905.42 and 19,838.60

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Solution

The fourth proportional to 33,276.81, 45,905.42 and 19,838.60 is: 27,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.81 : 45,905.42 = 19,838.60 : x
  2. Step 2: Convert to fraction form
    33,276.81/45,905.42 = 19,838.60/x
  3. Step 3: Cross multiply
    33,276.81x = 45,905.42 × 19,838.60
  4. Step 4: Simplify right side
    33,276.81x = 910,699,035.68
  5. Step 5: Solve for x
    x = 910,699,035.68/33,276.81
  6. Step 6: Final answer
    x = 27,367.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.