Home / 30,416.01-45,618.44-8,231.19

Finding the Fourth Proportional to 30,416.01, 45,618.44 and 8,231.19

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Solution

The fourth proportional to 30,416.01, 45,618.44 and 8,231.19 is: 12,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.01 : 45,618.44 = 8,231.19 : x
  2. Step 2: Convert to fraction form
    30,416.01/45,618.44 = 8,231.19/x
  3. Step 3: Cross multiply
    30,416.01x = 45,618.44 × 8,231.19
  4. Step 4: Simplify right side
    30,416.01x = 375,494,005.99
  5. Step 5: Solve for x
    x = 375,494,005.99/30,416.01
  6. Step 6: Final answer
    x = 12,345.27

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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.