Home / 54,384.81-75,051.25-31,739.44

Finding the Fourth Proportional to 54,384.81, 75,051.25 and 31,739.44

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Solution

The fourth proportional to 54,384.81, 75,051.25 and 31,739.44 is: 43,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.81 : 75,051.25 = 31,739.44 : x
  2. Step 2: Convert to fraction form
    54,384.81/75,051.25 = 31,739.44/x
  3. Step 3: Cross multiply
    54,384.81x = 75,051.25 × 31,739.44
  4. Step 4: Simplify right side
    54,384.81x = 2,382,084,487.60
  5. Step 5: Solve for x
    x = 2,382,084,487.60/54,384.81
  6. Step 6: Final answer
    x = 43,800.55

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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.