Home / 54,602.24-75,351.36-30,729.28

Finding the Fourth Proportional to 54,602.24, 75,351.36 and 30,729.28

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Solution

The fourth proportional to 54,602.24, 75,351.36 and 30,729.28 is: 42,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.24 : 75,351.36 = 30,729.28 : x
  2. Step 2: Convert to fraction form
    54,602.24/75,351.36 = 30,729.28/x
  3. Step 3: Cross multiply
    54,602.24x = 75,351.36 × 30,729.28
  4. Step 4: Simplify right side
    54,602.24x = 2,315,493,039.82
  5. Step 5: Solve for x
    x = 2,315,493,039.82/54,602.24
  6. Step 6: Final answer
    x = 42,406.56

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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.