Home / 54,527.87-81,804.06-18,990.83

Finding the Fourth Proportional to 54,527.87, 81,804.06 and 18,990.83

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Solution

The fourth proportional to 54,527.87, 81,804.06 and 18,990.83 is: 28,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,527.87 : 81,804.06 = 18,990.83 : x
  2. Step 2: Convert to fraction form
    54,527.87/81,804.06 = 18,990.83/x
  3. Step 3: Cross multiply
    54,527.87x = 81,804.06 × 18,990.83
  4. Step 4: Simplify right side
    54,527.87x = 1,553,526,587.75
  5. Step 5: Solve for x
    x = 1,553,526,587.75/54,527.87
  6. Step 6: Final answer
    x = 28,490.51

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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.