Home / 53,171.07-79,770.45-19,893.74

Finding the Fourth Proportional to 53,171.07, 79,770.45 and 19,893.74

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Solution

The fourth proportional to 53,171.07, 79,770.45 and 19,893.74 is: 29,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.07 : 79,770.45 = 19,893.74 : x
  2. Step 2: Convert to fraction form
    53,171.07/79,770.45 = 19,893.74/x
  3. Step 3: Cross multiply
    53,171.07x = 79,770.45 × 19,893.74
  4. Step 4: Simplify right side
    53,171.07x = 1,586,932,193.13
  5. Step 5: Solve for x
    x = 1,586,932,193.13/53,171.07
  6. Step 6: Final answer
    x = 29,845.78

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1.5x scale

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.