Home / 55,771.85-76,965.37-30,278.27

Finding the Fourth Proportional to 55,771.85, 76,965.37 and 30,278.27

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Solution

The fourth proportional to 55,771.85, 76,965.37 and 30,278.27 is: 41,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.85 : 76,965.37 = 30,278.27 : x
  2. Step 2: Convert to fraction form
    55,771.85/76,965.37 = 30,278.27/x
  3. Step 3: Cross multiply
    55,771.85x = 76,965.37 × 30,278.27
  4. Step 4: Simplify right side
    55,771.85x = 2,330,378,253.51
  5. Step 5: Solve for x
    x = 2,330,378,253.51/55,771.85
  6. Step 6: Final answer
    x = 41,784.13

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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.