Home / 30,257.15-45,361.11-23,712.55

Finding the Fourth Proportional to 30,257.15, 45,361.11 and 23,712.55

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Solution

The fourth proportional to 30,257.15, 45,361.11 and 23,712.55 is: 35,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.15 : 45,361.11 = 23,712.55 : x
  2. Step 2: Convert to fraction form
    30,257.15/45,361.11 = 23,712.55/x
  3. Step 3: Cross multiply
    30,257.15x = 45,361.11 × 23,712.55
  4. Step 4: Simplify right side
    30,257.15x = 1,075,627,564.45
  5. Step 5: Solve for x
    x = 1,075,627,564.45/30,257.15
  6. Step 6: Final answer
    x = 35,549.54

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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.