Home / 55,633.44-76,732.31-38,637.72

Finding the Fourth Proportional to 55,633.44, 76,732.31 and 38,637.72

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Solution

The fourth proportional to 55,633.44, 76,732.31 and 38,637.72 is: 53,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.44 : 76,732.31 = 38,637.72 : x
  2. Step 2: Convert to fraction form
    55,633.44/76,732.31 = 38,637.72/x
  3. Step 3: Cross multiply
    55,633.44x = 76,732.31 × 38,637.72
  4. Step 4: Simplify right side
    55,633.44x = 2,964,761,315.54
  5. Step 5: Solve for x
    x = 2,964,761,315.54/55,633.44
  6. Step 6: Final answer
    x = 53,290.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.