Home / 55,429.24-76,489.50-30,273.88

Finding the Fourth Proportional to 55,429.24, 76,489.50 and 30,273.88

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Solution

The fourth proportional to 55,429.24, 76,489.50 and 30,273.88 is: 41,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.24 : 76,489.50 = 30,273.88 : x
  2. Step 2: Convert to fraction form
    55,429.24/76,489.50 = 30,273.88/x
  3. Step 3: Cross multiply
    55,429.24x = 76,489.50 × 30,273.88
  4. Step 4: Simplify right side
    55,429.24x = 2,315,633,944.26
  5. Step 5: Solve for x
    x = 2,315,633,944.26/55,429.24
  6. Step 6: Final answer
    x = 41,776.40

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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.