Home / 54,736.20-75,538.13-30,862.36

Finding the Fourth Proportional to 54,736.20, 75,538.13 and 30,862.36

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Solution

The fourth proportional to 54,736.20, 75,538.13 and 30,862.36 is: 42,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,736.20 : 75,538.13 = 30,862.36 : x
  2. Step 2: Convert to fraction form
    54,736.20/75,538.13 = 30,862.36/x
  3. Step 3: Cross multiply
    54,736.20x = 75,538.13 × 30,862.36
  4. Step 4: Simplify right side
    54,736.20x = 2,331,285,133.37
  5. Step 5: Solve for x
    x = 2,331,285,133.37/54,736.20
  6. Step 6: Final answer
    x = 42,591.29

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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.