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Finding the Fourth Proportional to 30,006.84, 45,016.74 and 16,866.84

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Solution

The fourth proportional to 30,006.84, 45,016.74 and 16,866.84 is: 25,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.84 : 45,016.74 = 16,866.84 : x
  2. Step 2: Convert to fraction form
    30,006.84/45,016.74 = 16,866.84/x
  3. Step 3: Cross multiply
    30,006.84x = 45,016.74 × 16,866.84
  4. Step 4: Simplify right side
    30,006.84x = 759,290,150.90
  5. Step 5: Solve for x
    x = 759,290,150.90/30,006.84
  6. Step 6: Final answer
    x = 25,303.90

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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.