Home / 55,634.47-76,775.62-30,483.97

Finding the Fourth Proportional to 55,634.47, 76,775.62 and 30,483.97

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Solution

The fourth proportional to 55,634.47, 76,775.62 and 30,483.97 is: 42,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,634.47 : 76,775.62 = 30,483.97 : x
  2. Step 2: Convert to fraction form
    55,634.47/76,775.62 = 30,483.97/x
  3. Step 3: Cross multiply
    55,634.47x = 76,775.62 × 30,483.97
  4. Step 4: Simplify right side
    55,634.47x = 2,340,425,544.39
  5. Step 5: Solve for x
    x = 2,340,425,544.39/55,634.47
  6. Step 6: Final answer
    x = 42,067.90

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1.5x scale

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.