Home / 54,827.11-82,248.19-19,280.30

Finding the Fourth Proportional to 54,827.11, 82,248.19 and 19,280.30

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Solution

The fourth proportional to 54,827.11, 82,248.19 and 19,280.30 is: 28,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,827.11 : 82,248.19 = 19,280.30 : x
  2. Step 2: Convert to fraction form
    54,827.11/82,248.19 = 19,280.30/x
  3. Step 3: Cross multiply
    54,827.11x = 82,248.19 × 19,280.30
  4. Step 4: Simplify right side
    54,827.11x = 1,585,769,426.67
  5. Step 5: Solve for x
    x = 1,585,769,426.67/54,827.11
  6. Step 6: Final answer
    x = 28,923.09

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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.