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Finding the Fourth Proportional to 33,288.40, 49,867.80 and 18,470.80

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Solution

The fourth proportional to 33,288.40, 49,867.80 and 18,470.80 is: 27,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,288.40 : 49,867.80 = 18,470.80 : x
  2. Step 2: Convert to fraction form
    33,288.40/49,867.80 = 18,470.80/x
  3. Step 3: Cross multiply
    33,288.40x = 49,867.80 × 18,470.80
  4. Step 4: Simplify right side
    33,288.40x = 921,098,160.24
  5. Step 5: Solve for x
    x = 921,098,160.24/33,288.40
  6. Step 6: Final answer
    x = 27,670.24

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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.