Home / 54,441-75,128.85-31,795.56

Finding the Fourth Proportional to 54,441, 75,128.85 and 31,795.56

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Solution

The fourth proportional to 54,441, 75,128.85 and 31,795.56 is: 43,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441 : 75,128.85 = 31,795.56 : x
  2. Step 2: Convert to fraction form
    54,441/75,128.85 = 31,795.56/x
  3. Step 3: Cross multiply
    54,441x = 75,128.85 × 31,795.56
  4. Step 4: Simplify right side
    54,441x = 2,388,763,857.91
  5. Step 5: Solve for x
    x = 2,388,763,857.91/54,441
  6. Step 6: Final answer
    x = 43,878.03

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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.