Home / 53,149.37-79,724.25-19,869.03

Finding the Fourth Proportional to 53,149.37, 79,724.25 and 19,869.03

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Solution

The fourth proportional to 53,149.37, 79,724.25 and 19,869.03 is: 29,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.37 : 79,724.25 = 19,869.03 : x
  2. Step 2: Convert to fraction form
    53,149.37/79,724.25 = 19,869.03/x
  3. Step 3: Cross multiply
    53,149.37x = 79,724.25 × 19,869.03
  4. Step 4: Simplify right side
    53,149.37x = 1,584,043,514.98
  5. Step 5: Solve for x
    x = 1,584,043,514.98/53,149.37
  6. Step 6: Final answer
    x = 29,803.62

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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.