Home / 30,184.56-41,629.14-19,431.27

Finding the Fourth Proportional to 30,184.56, 41,629.14 and 19,431.27

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Solution

The fourth proportional to 30,184.56, 41,629.14 and 19,431.27 is: 26,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.56 : 41,629.14 = 19,431.27 : x
  2. Step 2: Convert to fraction form
    30,184.56/41,629.14 = 19,431.27/x
  3. Step 3: Cross multiply
    30,184.56x = 41,629.14 × 19,431.27
  4. Step 4: Simplify right side
    30,184.56x = 808,907,059.21
  5. Step 5: Solve for x
    x = 808,907,059.21/30,184.56
  6. Step 6: Final answer
    x = 26,798.70

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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.