Home / 30,405.34-41,936.28-26,163.51

Finding the Fourth Proportional to 30,405.34, 41,936.28 and 26,163.51

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Solution

The fourth proportional to 30,405.34, 41,936.28 and 26,163.51 is: 36,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,405.34 : 41,936.28 = 26,163.51 : x
  2. Step 2: Convert to fraction form
    30,405.34/41,936.28 = 26,163.51/x
  3. Step 3: Cross multiply
    30,405.34x = 41,936.28 × 26,163.51
  4. Step 4: Simplify right side
    30,405.34x = 1,097,200,007.37
  5. Step 5: Solve for x
    x = 1,097,200,007.37/30,405.34
  6. Step 6: Final answer
    x = 36,085.77

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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.