Home / 53,090.80-79,580.66-19,796.38

Finding the Fourth Proportional to 53,090.80, 79,580.66 and 19,796.38

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Solution

The fourth proportional to 53,090.80, 79,580.66 and 19,796.38 is: 29,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.80 : 79,580.66 = 19,796.38 : x
  2. Step 2: Convert to fraction form
    53,090.80/79,580.66 = 19,796.38/x
  3. Step 3: Cross multiply
    53,090.80x = 79,580.66 × 19,796.38
  4. Step 4: Simplify right side
    53,090.80x = 1,575,408,986.01
  5. Step 5: Solve for x
    x = 1,575,408,986.01/53,090.80
  6. Step 6: Final answer
    x = 29,673.86

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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.