Home / 54,947.57-82,365.80-21,654.68

Finding the Fourth Proportional to 54,947.57, 82,365.80 and 21,654.68

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Solution

The fourth proportional to 54,947.57, 82,365.80 and 21,654.68 is: 32,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947.57 : 82,365.80 = 21,654.68 : x
  2. Step 2: Convert to fraction form
    54,947.57/82,365.80 = 21,654.68/x
  3. Step 3: Cross multiply
    54,947.57x = 82,365.80 × 21,654.68
  4. Step 4: Simplify right side
    54,947.57x = 1,783,604,521.84
  5. Step 5: Solve for x
    x = 1,783,604,521.84/54,947.57
  6. Step 6: Final answer
    x = 32,460.12

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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.