Home / 53,229.12-79,849.86-17,693.64

Finding the Fourth Proportional to 53,229.12, 79,849.86 and 17,693.64

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Solution

The fourth proportional to 53,229.12, 79,849.86 and 17,693.64 is: 26,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.12 : 79,849.86 = 17,693.64 : x
  2. Step 2: Convert to fraction form
    53,229.12/79,849.86 = 17,693.64/x
  3. Step 3: Cross multiply
    53,229.12x = 79,849.86 × 17,693.64
  4. Step 4: Simplify right side
    53,229.12x = 1,412,834,676.89
  5. Step 5: Solve for x
    x = 1,412,834,676.89/53,229.12
  6. Step 6: Final answer
    x = 26,542.51

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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.