Home / 55,333.86-76,360.96-30,183.90

Finding the Fourth Proportional to 55,333.86, 76,360.96 and 30,183.90

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Solution

The fourth proportional to 55,333.86, 76,360.96 and 30,183.90 is: 41,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333.86 : 76,360.96 = 30,183.90 : x
  2. Step 2: Convert to fraction form
    55,333.86/76,360.96 = 30,183.90/x
  3. Step 3: Cross multiply
    55,333.86x = 76,360.96 × 30,183.90
  4. Step 4: Simplify right side
    55,333.86x = 2,304,871,580.54
  5. Step 5: Solve for x
    x = 2,304,871,580.54/55,333.86
  6. Step 6: Final answer
    x = 41,653.91

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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.