Home / 30,082.10-41,511.83-16,653.11

Finding the Fourth Proportional to 30,082.10, 41,511.83 and 16,653.11

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Solution

The fourth proportional to 30,082.10, 41,511.83 and 16,653.11 is: 22,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.10 : 41,511.83 = 16,653.11 : x
  2. Step 2: Convert to fraction form
    30,082.10/41,511.83 = 16,653.11/x
  3. Step 3: Cross multiply
    30,082.10x = 41,511.83 × 16,653.11
  4. Step 4: Simplify right side
    30,082.10x = 691,300,780.47
  5. Step 5: Solve for x
    x = 691,300,780.47/30,082.10
  6. Step 6: Final answer
    x = 22,980.47

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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.