Home / 53,003.80-79,513.26-17,953.48

Finding the Fourth Proportional to 53,003.80, 79,513.26 and 17,953.48

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Solution

The fourth proportional to 53,003.80, 79,513.26 and 17,953.48 is: 26,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.80 : 79,513.26 = 17,953.48 : x
  2. Step 2: Convert to fraction form
    53,003.80/79,513.26 = 17,953.48/x
  3. Step 3: Cross multiply
    53,003.80x = 79,513.26 × 17,953.48
  4. Step 4: Simplify right side
    53,003.80x = 1,427,539,723.14
  5. Step 5: Solve for x
    x = 1,427,539,723.14/53,003.80
  6. Step 6: Final answer
    x = 26,932.78

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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.