Home / 55,177.76-76,145.64-30,027.44

Finding the Fourth Proportional to 55,177.76, 76,145.64 and 30,027.44

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Solution

The fourth proportional to 55,177.76, 76,145.64 and 30,027.44 is: 41,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.76 : 76,145.64 = 30,027.44 : x
  2. Step 2: Convert to fraction form
    55,177.76/76,145.64 = 30,027.44/x
  3. Step 3: Cross multiply
    55,177.76x = 76,145.64 × 30,027.44
  4. Step 4: Simplify right side
    55,177.76x = 2,286,458,636.36
  5. Step 5: Solve for x
    x = 2,286,458,636.36/55,177.76
  6. Step 6: Final answer
    x = 41,438.05

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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.