Home / 34,878.41-48,131.21-19,772.48

Finding the Fourth Proportional to 34,878.41, 48,131.21 and 19,772.48

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Solution

The fourth proportional to 34,878.41, 48,131.21 and 19,772.48 is: 27,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.41 : 48,131.21 = 19,772.48 : x
  2. Step 2: Convert to fraction form
    34,878.41/48,131.21 = 19,772.48/x
  3. Step 3: Cross multiply
    34,878.41x = 48,131.21 × 19,772.48
  4. Step 4: Simplify right side
    34,878.41x = 951,673,047.58
  5. Step 5: Solve for x
    x = 951,673,047.58/34,878.41
  6. Step 6: Final answer
    x = 27,285.45

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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.