Home / 48,816.40-73,238.38-13,756.36

Finding the Fourth Proportional to 48,816.40, 73,238.38 and 13,756.36

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Solution

The fourth proportional to 48,816.40, 73,238.38 and 13,756.36 is: 20,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,816.40 : 73,238.38 = 13,756.36 : x
  2. Step 2: Convert to fraction form
    48,816.40/73,238.38 = 13,756.36/x
  3. Step 3: Cross multiply
    48,816.40x = 73,238.38 × 13,756.36
  4. Step 4: Simplify right side
    48,816.40x = 1,007,493,521.10
  5. Step 5: Solve for x
    x = 1,007,493,521.10/48,816.40
  6. Step 6: Final answer
    x = 20,638.42

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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.