Home / 54,830.86-75,665.96-30,958.54

Finding the Fourth Proportional to 54,830.86, 75,665.96 and 30,958.54

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Solution

The fourth proportional to 54,830.86, 75,665.96 and 30,958.54 is: 42,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.86 : 75,665.96 = 30,958.54 : x
  2. Step 2: Convert to fraction form
    54,830.86/75,665.96 = 30,958.54/x
  3. Step 3: Cross multiply
    54,830.86x = 75,665.96 × 30,958.54
  4. Step 4: Simplify right side
    54,830.86x = 2,342,507,649.30
  5. Step 5: Solve for x
    x = 2,342,507,649.30/54,830.86
  6. Step 6: Final answer
    x = 42,722.43

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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.