Home / 51,238.93-76,858.85-17,958.94

Finding the Fourth Proportional to 51,238.93, 76,858.85 and 17,958.94

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Solution

The fourth proportional to 51,238.93, 76,858.85 and 17,958.94 is: 26,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.93 : 76,858.85 = 17,958.94 : x
  2. Step 2: Convert to fraction form
    51,238.93/76,858.85 = 17,958.94/x
  3. Step 3: Cross multiply
    51,238.93x = 76,858.85 × 17,958.94
  4. Step 4: Simplify right side
    51,238.93x = 1,380,303,494.03
  5. Step 5: Solve for x
    x = 1,380,303,494.03/51,238.93
  6. Step 6: Final answer
    x = 26,938.57

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1.5x scale

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.