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Finding the Fourth Proportional to 33,999.90, 51,007.95 and 16,455.30

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Solution

The fourth proportional to 33,999.90, 51,007.95 and 16,455.30 is: 24,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.90 : 51,007.95 = 16,455.30 : x
  2. Step 2: Convert to fraction form
    33,999.90/51,007.95 = 16,455.30/x
  3. Step 3: Cross multiply
    33,999.90x = 51,007.95 × 16,455.30
  4. Step 4: Simplify right side
    33,999.90x = 839,351,119.64
  5. Step 5: Solve for x
    x = 839,351,119.64/33,999.90
  6. Step 6: Final answer
    x = 24,686.87

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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.