Home / 54,327.80-74,970.92-30,456.02

Finding the Fourth Proportional to 54,327.80, 74,970.92 and 30,456.02

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Solution

The fourth proportional to 54,327.80, 74,970.92 and 30,456.02 is: 42,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.80 : 74,970.92 = 30,456.02 : x
  2. Step 2: Convert to fraction form
    54,327.80/74,970.92 = 30,456.02/x
  3. Step 3: Cross multiply
    54,327.80x = 74,970.92 × 30,456.02
  4. Step 4: Simplify right side
    54,327.80x = 2,283,315,838.94
  5. Step 5: Solve for x
    x = 2,283,315,838.94/54,327.80
  6. Step 6: Final answer
    x = 42,028.50

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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.