Home / 54,845.06-82,267.61-19,784.72

Finding the Fourth Proportional to 54,845.06, 82,267.61 and 19,784.72

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Solution

The fourth proportional to 54,845.06, 82,267.61 and 19,784.72 is: 29,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.06 : 82,267.61 = 19,784.72 : x
  2. Step 2: Convert to fraction form
    54,845.06/82,267.61 = 19,784.72/x
  3. Step 3: Cross multiply
    54,845.06x = 82,267.61 × 19,784.72
  4. Step 4: Simplify right side
    54,845.06x = 1,627,641,118.66
  5. Step 5: Solve for x
    x = 1,627,641,118.66/54,845.06
  6. Step 6: Final answer
    x = 29,677.08

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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.