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Finding the Fourth Proportional to 35,523, 53,268.96 and 18,879.03

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Solution

The fourth proportional to 35,523, 53,268.96 and 18,879.03 is: 28,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523 : 53,268.96 = 18,879.03 : x
  2. Step 2: Convert to fraction form
    35,523/53,268.96 = 18,879.03/x
  3. Step 3: Cross multiply
    35,523x = 53,268.96 × 18,879.03
  4. Step 4: Simplify right side
    35,523x = 1,005,666,293.91
  5. Step 5: Solve for x
    x = 1,005,666,293.91/35,523
  6. Step 6: Final answer
    x = 28,310.29

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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.