Home / 30,914.64-46,378.68-10,137.36

Finding the Fourth Proportional to 30,914.64, 46,378.68 and 10,137.36

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Solution

The fourth proportional to 30,914.64, 46,378.68 and 10,137.36 is: 15,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.64 : 46,378.68 = 10,137.36 : x
  2. Step 2: Convert to fraction form
    30,914.64/46,378.68 = 10,137.36/x
  3. Step 3: Cross multiply
    30,914.64x = 46,378.68 × 10,137.36
  4. Step 4: Simplify right side
    30,914.64x = 470,157,375.48
  5. Step 5: Solve for x
    x = 470,157,375.48/30,914.64
  6. Step 6: Final answer
    x = 15,208.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.