Home / 48,685.32-73,043.01-20,617.92

Finding the Fourth Proportional to 48,685.32, 73,043.01 and 20,617.92

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Solution

The fourth proportional to 48,685.32, 73,043.01 and 20,617.92 is: 30,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.32 : 73,043.01 = 20,617.92 : x
  2. Step 2: Convert to fraction form
    48,685.32/73,043.01 = 20,617.92/x
  3. Step 3: Cross multiply
    48,685.32x = 73,043.01 × 20,617.92
  4. Step 4: Simplify right side
    48,685.32x = 1,505,994,936.74
  5. Step 5: Solve for x
    x = 1,505,994,936.74/48,685.32
  6. Step 6: Final answer
    x = 30,933.25

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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.