Home / 30,956.64-46,441.68-10,179.36

Finding the Fourth Proportional to 30,956.64, 46,441.68 and 10,179.36

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Solution

The fourth proportional to 30,956.64, 46,441.68 and 10,179.36 is: 15,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.64 : 46,441.68 = 10,179.36 : x
  2. Step 2: Convert to fraction form
    30,956.64/46,441.68 = 10,179.36/x
  3. Step 3: Cross multiply
    30,956.64x = 46,441.68 × 10,179.36
  4. Step 4: Simplify right side
    30,956.64x = 472,746,579.72
  5. Step 5: Solve for x
    x = 472,746,579.72/30,956.64
  6. Step 6: Final answer
    x = 15,271.25

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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.