Home / 30,249.23-41,742.72-16,819.50

Finding the Fourth Proportional to 30,249.23, 41,742.72 and 16,819.50

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Solution

The fourth proportional to 30,249.23, 41,742.72 and 16,819.50 is: 23,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.23 : 41,742.72 = 16,819.50 : x
  2. Step 2: Convert to fraction form
    30,249.23/41,742.72 = 16,819.50/x
  3. Step 3: Cross multiply
    30,249.23x = 41,742.72 × 16,819.50
  4. Step 4: Simplify right side
    30,249.23x = 702,091,835.58
  5. Step 5: Solve for x
    x = 702,091,835.58/30,249.23
  6. Step 6: Final answer
    x = 23,210.24

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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.