Home / 54,339.88-74,989.02-30,466.48

Finding the Fourth Proportional to 54,339.88, 74,989.02 and 30,466.48

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Solution

The fourth proportional to 54,339.88, 74,989.02 and 30,466.48 is: 42,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.88 : 74,989.02 = 30,466.48 : x
  2. Step 2: Convert to fraction form
    54,339.88/74,989.02 = 30,466.48/x
  3. Step 3: Cross multiply
    54,339.88x = 74,989.02 × 30,466.48
  4. Step 4: Simplify right side
    54,339.88x = 2,284,651,478.05
  5. Step 5: Solve for x
    x = 2,284,651,478.05/54,339.88
  6. Step 6: Final answer
    x = 42,043.73

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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.