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Finding the Fourth Proportional to 33,326.64, 49,988.64 and 18,526.20

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Solution

The fourth proportional to 33,326.64, 49,988.64 and 18,526.20 is: 27,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.64 : 49,988.64 = 18,526.20 : x
  2. Step 2: Convert to fraction form
    33,326.64/49,988.64 = 18,526.20/x
  3. Step 3: Cross multiply
    33,326.64x = 49,988.64 × 18,526.20
  4. Step 4: Simplify right side
    33,326.64x = 926,099,542.37
  5. Step 5: Solve for x
    x = 926,099,542.37/33,326.64
  6. Step 6: Final answer
    x = 27,788.57

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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.