Home / 53,249.40-79,819.02-19,945.98

Finding the Fourth Proportional to 53,249.40, 79,819.02 and 19,945.98

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Solution

The fourth proportional to 53,249.40, 79,819.02 and 19,945.98 is: 29,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,249.40 : 79,819.02 = 19,945.98 : x
  2. Step 2: Convert to fraction form
    53,249.40/79,819.02 = 19,945.98/x
  3. Step 3: Cross multiply
    53,249.40x = 79,819.02 × 19,945.98
  4. Step 4: Simplify right side
    53,249.40x = 1,592,068,576.54
  5. Step 5: Solve for x
    x = 1,592,068,576.54/53,249.40
  6. Step 6: Final answer
    x = 29,898.34

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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.