Home / 40,907.37-61,361.82-12,826.80

Finding the Fourth Proportional to 40,907.37, 61,361.82 and 12,826.80

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Solution

The fourth proportional to 40,907.37, 61,361.82 and 12,826.80 is: 19,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.37 : 61,361.82 = 12,826.80 : x
  2. Step 2: Convert to fraction form
    40,907.37/61,361.82 = 12,826.80/x
  3. Step 3: Cross multiply
    40,907.37x = 61,361.82 × 12,826.80
  4. Step 4: Simplify right side
    40,907.37x = 787,075,792.78
  5. Step 5: Solve for x
    x = 787,075,792.78/40,907.37
  6. Step 6: Final answer
    x = 19,240.44

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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.