Home / 57,782.80-86,676.68-18,341.52

Finding the Fourth Proportional to 57,782.80, 86,676.68 and 18,341.52

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Solution

The fourth proportional to 57,782.80, 86,676.68 and 18,341.52 is: 27,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782.80 : 86,676.68 = 18,341.52 : x
  2. Step 2: Convert to fraction form
    57,782.80/86,676.68 = 18,341.52/x
  3. Step 3: Cross multiply
    57,782.80x = 86,676.68 × 18,341.52
  4. Step 4: Simplify right side
    57,782.80x = 1,589,782,059.75
  5. Step 5: Solve for x
    x = 1,589,782,059.75/57,782.80
  6. Step 6: Final answer
    x = 27,513.07

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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.