Home / 51,161.94-70,584.75-31,004.28

Finding the Fourth Proportional to 51,161.94, 70,584.75 and 31,004.28

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Solution

The fourth proportional to 51,161.94, 70,584.75 and 31,004.28 is: 42,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.94 : 70,584.75 = 31,004.28 : x
  2. Step 2: Convert to fraction form
    51,161.94/70,584.75 = 31,004.28/x
  3. Step 3: Cross multiply
    51,161.94x = 70,584.75 × 31,004.28
  4. Step 4: Simplify right side
    51,161.94x = 2,188,429,352.73
  5. Step 5: Solve for x
    x = 2,188,429,352.73/51,161.94
  6. Step 6: Final answer
    x = 42,774.56

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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.