Home / 30,320.15-41,538.79-29,183.81

Finding the Fourth Proportional to 30,320.15, 41,538.79 and 29,183.81

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Solution

The fourth proportional to 30,320.15, 41,538.79 and 29,183.81 is: 39,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.15 : 41,538.79 = 29,183.81 : x
  2. Step 2: Convert to fraction form
    30,320.15/41,538.79 = 29,183.81/x
  3. Step 3: Cross multiply
    30,320.15x = 41,538.79 × 29,183.81
  4. Step 4: Simplify right side
    30,320.15x = 1,212,260,154.99
  5. Step 5: Solve for x
    x = 1,212,260,154.99/30,320.15
  6. Step 6: Final answer
    x = 39,982.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.