Home / 54,862.37-75,709.07-30,663.79

Finding the Fourth Proportional to 54,862.37, 75,709.07 and 30,663.79

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Solution

The fourth proportional to 54,862.37, 75,709.07 and 30,663.79 is: 42,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.37 : 75,709.07 = 30,663.79 : x
  2. Step 2: Convert to fraction form
    54,862.37/75,709.07 = 30,663.79/x
  3. Step 3: Cross multiply
    54,862.37x = 75,709.07 × 30,663.79
  4. Step 4: Simplify right side
    54,862.37x = 2,321,526,795.97
  5. Step 5: Solve for x
    x = 2,321,526,795.97/54,862.37
  6. Step 6: Final answer
    x = 42,315.47

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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.