Home / 48,870.30-73,272.60-19,272.90

Finding the Fourth Proportional to 48,870.30, 73,272.60 and 19,272.90

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Solution

The fourth proportional to 48,870.30, 73,272.60 and 19,272.90 is: 28,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,870.30 : 73,272.60 = 19,272.90 : x
  2. Step 2: Convert to fraction form
    48,870.30/73,272.60 = 19,272.90/x
  3. Step 3: Cross multiply
    48,870.30x = 73,272.60 × 19,272.90
  4. Step 4: Simplify right side
    48,870.30x = 1,412,175,492.54
  5. Step 5: Solve for x
    x = 1,412,175,492.54/48,870.30
  6. Step 6: Final answer
    x = 28,896.39

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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.