Home / 53,181.70-79,786.38-19,904.38

Finding the Fourth Proportional to 53,181.70, 79,786.38 and 19,904.38

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Solution

The fourth proportional to 53,181.70, 79,786.38 and 19,904.38 is: 29,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.70 : 79,786.38 = 19,904.38 : x
  2. Step 2: Convert to fraction form
    53,181.70/79,786.38 = 19,904.38/x
  3. Step 3: Cross multiply
    53,181.70x = 79,786.38 × 19,904.38
  4. Step 4: Simplify right side
    53,181.70x = 1,588,098,027.41
  5. Step 5: Solve for x
    x = 1,588,098,027.41/53,181.70
  6. Step 6: Final answer
    x = 29,861.74

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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.