Home / 54,870.20-82,313.96-19,818.44

Finding the Fourth Proportional to 54,870.20, 82,313.96 and 19,818.44

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Solution

The fourth proportional to 54,870.20, 82,313.96 and 19,818.44 is: 29,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.20 : 82,313.96 = 19,818.44 : x
  2. Step 2: Convert to fraction form
    54,870.20/82,313.96 = 19,818.44/x
  3. Step 3: Cross multiply
    54,870.20x = 82,313.96 × 19,818.44
  4. Step 4: Simplify right side
    54,870.20x = 1,631,334,277.42
  5. Step 5: Solve for x
    x = 1,631,334,277.42/54,870.20
  6. Step 6: Final answer
    x = 29,730.79

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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.