Home / 53,266.57-79,879.10-19,968.48

Finding the Fourth Proportional to 53,266.57, 79,879.10 and 19,968.48

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Solution

The fourth proportional to 53,266.57, 79,879.10 and 19,968.48 is: 29,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266.57 : 79,879.10 = 19,968.48 : x
  2. Step 2: Convert to fraction form
    53,266.57/79,879.10 = 19,968.48/x
  3. Step 3: Cross multiply
    53,266.57x = 79,879.10 × 19,968.48
  4. Step 4: Simplify right side
    53,266.57x = 1,595,064,110.93
  5. Step 5: Solve for x
    x = 1,595,064,110.93/53,266.57
  6. Step 6: Final answer
    x = 29,944.94

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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.