Home / 51,361.38-70,878.60-29,005.38

Finding the Fourth Proportional to 51,361.38, 70,878.60 and 29,005.38

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Solution

The fourth proportional to 51,361.38, 70,878.60 and 29,005.38 is: 40,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,361.38 : 70,878.60 = 29,005.38 : x
  2. Step 2: Convert to fraction form
    51,361.38/70,878.60 = 29,005.38/x
  3. Step 3: Cross multiply
    51,361.38x = 70,878.60 × 29,005.38
  4. Step 4: Simplify right side
    51,361.38x = 2,055,860,726.87
  5. Step 5: Solve for x
    x = 2,055,860,726.87/51,361.38
  6. Step 6: Final answer
    x = 40,027.37

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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.