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Finding the Fourth Proportional to 55,409.33, 76,470.41 and 33,053.33

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Solution

The fourth proportional to 55,409.33, 76,470.41 and 33,053.33 is: 45,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,409.33 : 76,470.41 = 33,053.33 : x
  2. Step 2: Convert to fraction form
    55,409.33/76,470.41 = 33,053.33/x
  3. Step 3: Cross multiply
    55,409.33x = 76,470.41 × 33,053.33
  4. Step 4: Simplify right side
    55,409.33x = 2,527,601,696.97
  5. Step 5: Solve for x
    x = 2,527,601,696.97/55,409.33
  6. Step 6: Final answer
    x = 45,616.90

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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.