Home / 53,269.64-79,883.68-19,971.54

Finding the Fourth Proportional to 53,269.64, 79,883.68 and 19,971.54

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Solution

The fourth proportional to 53,269.64, 79,883.68 and 19,971.54 is: 29,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.64 : 79,883.68 = 19,971.54 : x
  2. Step 2: Convert to fraction form
    53,269.64/79,883.68 = 19,971.54/x
  3. Step 3: Cross multiply
    53,269.64x = 79,883.68 × 19,971.54
  4. Step 4: Simplify right side
    53,269.64x = 1,595,400,110.47
  5. Step 5: Solve for x
    x = 1,595,400,110.47/53,269.64
  6. Step 6: Final answer
    x = 29,949.52

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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.