Home / 30,286.71-41,795.65-16,857.67

Finding the Fourth Proportional to 30,286.71, 41,795.65 and 16,857.67

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Solution

The fourth proportional to 30,286.71, 41,795.65 and 16,857.67 is: 23,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.71 : 41,795.65 = 16,857.67 : x
  2. Step 2: Convert to fraction form
    30,286.71/41,795.65 = 16,857.67/x
  3. Step 3: Cross multiply
    30,286.71x = 41,795.65 × 16,857.67
  4. Step 4: Simplify right side
    30,286.71x = 704,577,232.99
  5. Step 5: Solve for x
    x = 704,577,232.99/30,286.71
  6. Step 6: Final answer
    x = 23,263.58

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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.