Home / 56,358.88-77,775.25-31,208.38

Finding the Fourth Proportional to 56,358.88, 77,775.25 and 31,208.38

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Solution

The fourth proportional to 56,358.88, 77,775.25 and 31,208.38 is: 43,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.88 : 77,775.25 = 31,208.38 : x
  2. Step 2: Convert to fraction form
    56,358.88/77,775.25 = 31,208.38/x
  3. Step 3: Cross multiply
    56,358.88x = 77,775.25 × 31,208.38
  4. Step 4: Simplify right side
    56,358.88x = 2,427,239,556.60
  5. Step 5: Solve for x
    x = 2,427,239,556.60/56,358.88
  6. Step 6: Final answer
    x = 43,067.56

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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.