Home / 54,786.73-82,130.76-19,701.72

Finding the Fourth Proportional to 54,786.73, 82,130.76 and 19,701.72

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Solution

The fourth proportional to 54,786.73, 82,130.76 and 19,701.72 is: 29,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786.73 : 82,130.76 = 19,701.72 : x
  2. Step 2: Convert to fraction form
    54,786.73/82,130.76 = 19,701.72/x
  3. Step 3: Cross multiply
    54,786.73x = 82,130.76 × 19,701.72
  4. Step 4: Simplify right side
    54,786.73x = 1,618,117,236.91
  5. Step 5: Solve for x
    x = 1,618,117,236.91/54,786.73
  6. Step 6: Final answer
    x = 29,534.84

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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.