Home / 54,328.85-74,974.07-30,456.53

Finding the Fourth Proportional to 54,328.85, 74,974.07 and 30,456.53

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Solution

The fourth proportional to 54,328.85, 74,974.07 and 30,456.53 is: 42,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.85 : 74,974.07 = 30,456.53 : x
  2. Step 2: Convert to fraction form
    54,328.85/74,974.07 = 30,456.53/x
  3. Step 3: Cross multiply
    54,328.85x = 74,974.07 × 30,456.53
  4. Step 4: Simplify right side
    54,328.85x = 2,283,450,012.18
  5. Step 5: Solve for x
    x = 2,283,450,012.18/54,328.85
  6. Step 6: Final answer
    x = 42,030.16

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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.