Home / 53,321.36-79,973.82-17,783.30

Finding the Fourth Proportional to 53,321.36, 79,973.82 and 17,783.30

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Solution

The fourth proportional to 53,321.36, 79,973.82 and 17,783.30 is: 26,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.36 : 79,973.82 = 17,783.30 : x
  2. Step 2: Convert to fraction form
    53,321.36/79,973.82 = 17,783.30/x
  3. Step 3: Cross multiply
    53,321.36x = 79,973.82 × 17,783.30
  4. Step 4: Simplify right side
    53,321.36x = 1,422,198,433.21
  5. Step 5: Solve for x
    x = 1,422,198,433.21/53,321.36
  6. Step 6: Final answer
    x = 26,672.21

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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.