Home / 48,971.44-67,603.58-28,821.88

Finding the Fourth Proportional to 48,971.44, 67,603.58 and 28,821.88

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Solution

The fourth proportional to 48,971.44, 67,603.58 and 28,821.88 is: 39,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.44 : 67,603.58 = 28,821.88 : x
  2. Step 2: Convert to fraction form
    48,971.44/67,603.58 = 28,821.88/x
  3. Step 3: Cross multiply
    48,971.44x = 67,603.58 × 28,821.88
  4. Step 4: Simplify right side
    48,971.44x = 1,948,462,270.33
  5. Step 5: Solve for x
    x = 1,948,462,270.33/48,971.44
  6. Step 6: Final answer
    x = 39,787.73

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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.