Home / 33,107.30-45,688.97-18,000.98

Finding the Fourth Proportional to 33,107.30, 45,688.97 and 18,000.98

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Solution

The fourth proportional to 33,107.30, 45,688.97 and 18,000.98 is: 24,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.30 : 45,688.97 = 18,000.98 : x
  2. Step 2: Convert to fraction form
    33,107.30/45,688.97 = 18,000.98/x
  3. Step 3: Cross multiply
    33,107.30x = 45,688.97 × 18,000.98
  4. Step 4: Simplify right side
    33,107.30x = 822,446,006.75
  5. Step 5: Solve for x
    x = 822,446,006.75/33,107.30
  6. Step 6: Final answer
    x = 24,841.84

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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.