Home / 54,328.20-74,976.08-30,462.56

Finding the Fourth Proportional to 54,328.20, 74,976.08 and 30,462.56

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Solution

The fourth proportional to 54,328.20, 74,976.08 and 30,462.56 is: 42,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.20 : 74,976.08 = 30,462.56 : x
  2. Step 2: Convert to fraction form
    54,328.20/74,976.08 = 30,462.56/x
  3. Step 3: Cross multiply
    54,328.20x = 74,976.08 × 30,462.56
  4. Step 4: Simplify right side
    54,328.20x = 2,283,963,335.56
  5. Step 5: Solve for x
    x = 2,283,963,335.56/54,328.20
  6. Step 6: Final answer
    x = 42,040.11

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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.