Home / 54,485.04-81,721.44-15,047.76

Finding the Fourth Proportional to 54,485.04, 81,721.44 and 15,047.76

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Solution

The fourth proportional to 54,485.04, 81,721.44 and 15,047.76 is: 22,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.04 : 81,721.44 = 15,047.76 : x
  2. Step 2: Convert to fraction form
    54,485.04/81,721.44 = 15,047.76/x
  3. Step 3: Cross multiply
    54,485.04x = 81,721.44 × 15,047.76
  4. Step 4: Simplify right side
    54,485.04x = 1,229,724,615.97
  5. Step 5: Solve for x
    x = 1,229,724,615.97/54,485.04
  6. Step 6: Final answer
    x = 22,569.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.