Home / 55,311.64-76,329.93-30,161.14

Finding the Fourth Proportional to 55,311.64, 76,329.93 and 30,161.14

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Solution

The fourth proportional to 55,311.64, 76,329.93 and 30,161.14 is: 41,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.64 : 76,329.93 = 30,161.14 : x
  2. Step 2: Convert to fraction form
    55,311.64/76,329.93 = 30,161.14/x
  3. Step 3: Cross multiply
    55,311.64x = 76,329.93 × 30,161.14
  4. Step 4: Simplify right side
    55,311.64x = 2,302,197,744.94
  5. Step 5: Solve for x
    x = 2,302,197,744.94/55,311.64
  6. Step 6: Final answer
    x = 41,622.30

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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.