Home / 51,441.92-70,960.32-30,217.28

Finding the Fourth Proportional to 51,441.92, 70,960.32 and 30,217.28

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Solution

The fourth proportional to 51,441.92, 70,960.32 and 30,217.28 is: 41,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.92 : 70,960.32 = 30,217.28 : x
  2. Step 2: Convert to fraction form
    51,441.92/70,960.32 = 30,217.28/x
  3. Step 3: Cross multiply
    51,441.92x = 70,960.32 × 30,217.28
  4. Step 4: Simplify right side
    51,441.92x = 2,144,227,858.33
  5. Step 5: Solve for x
    x = 2,144,227,858.33/51,441.92
  6. Step 6: Final answer
    x = 41,682.50

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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.