Home / 30,315.83-45,236.65-27,163.73

Finding the Fourth Proportional to 30,315.83, 45,236.65 and 27,163.73

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Solution

The fourth proportional to 30,315.83, 45,236.65 and 27,163.73 is: 40,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.83 : 45,236.65 = 27,163.73 : x
  2. Step 2: Convert to fraction form
    30,315.83/45,236.65 = 27,163.73/x
  3. Step 3: Cross multiply
    30,315.83x = 45,236.65 × 27,163.73
  4. Step 4: Simplify right side
    30,315.83x = 1,228,795,920.52
  5. Step 5: Solve for x
    x = 1,228,795,920.52/30,315.83
  6. Step 6: Final answer
    x = 40,533.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.