Home / 55,424.30-76,485.04-30,273.26

Finding the Fourth Proportional to 55,424.30, 76,485.04 and 30,273.26

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Solution

The fourth proportional to 55,424.30, 76,485.04 and 30,273.26 is: 41,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.30 : 76,485.04 = 30,273.26 : x
  2. Step 2: Convert to fraction form
    55,424.30/76,485.04 = 30,273.26/x
  3. Step 3: Cross multiply
    55,424.30x = 76,485.04 × 30,273.26
  4. Step 4: Simplify right side
    55,424.30x = 2,315,451,502.03
  5. Step 5: Solve for x
    x = 2,315,451,502.03/55,424.30
  6. Step 6: Final answer
    x = 41,776.83

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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.