Home / 30,750.87-46,126.35-8,564.31

Finding the Fourth Proportional to 30,750.87, 46,126.35 and 8,564.31

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Solution

The fourth proportional to 30,750.87, 46,126.35 and 8,564.31 is: 12,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.87 : 46,126.35 = 8,564.31 : x
  2. Step 2: Convert to fraction form
    30,750.87/46,126.35 = 8,564.31/x
  3. Step 3: Cross multiply
    30,750.87x = 46,126.35 × 8,564.31
  4. Step 4: Simplify right side
    30,750.87x = 395,040,360.57
  5. Step 5: Solve for x
    x = 395,040,360.57/30,750.87
  6. Step 6: Final answer
    x = 12,846.48

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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.