Home / 48,721.44-73,073.88-13,653

Finding the Fourth Proportional to 48,721.44, 73,073.88 and 13,653

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Solution

The fourth proportional to 48,721.44, 73,073.88 and 13,653 is: 20,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.44 : 73,073.88 = 13,653 : x
  2. Step 2: Convert to fraction form
    48,721.44/73,073.88 = 13,653/x
  3. Step 3: Cross multiply
    48,721.44x = 73,073.88 × 13,653
  4. Step 4: Simplify right side
    48,721.44x = 997,677,683.64
  5. Step 5: Solve for x
    x = 997,677,683.64/48,721.44
  6. Step 6: Final answer
    x = 20,477.18

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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.