Home / 54,886.37-82,280.34-19,817.82

Finding the Fourth Proportional to 54,886.37, 82,280.34 and 19,817.82

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Solution

The fourth proportional to 54,886.37, 82,280.34 and 19,817.82 is: 29,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.37 : 82,280.34 = 19,817.82 : x
  2. Step 2: Convert to fraction form
    54,886.37/82,280.34 = 19,817.82/x
  3. Step 3: Cross multiply
    54,886.37x = 82,280.34 × 19,817.82
  4. Step 4: Simplify right side
    54,886.37x = 1,630,616,967.66
  5. Step 5: Solve for x
    x = 1,630,616,967.66/54,886.37
  6. Step 6: Final answer
    x = 29,708.96

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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.