Home / 57,999.36-86,997.77-18,556.34

Finding the Fourth Proportional to 57,999.36, 86,997.77 and 18,556.34

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Solution

The fourth proportional to 57,999.36, 86,997.77 and 18,556.34 is: 27,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.36 : 86,997.77 = 18,556.34 : x
  2. Step 2: Convert to fraction form
    57,999.36/86,997.77 = 18,556.34/x
  3. Step 3: Cross multiply
    57,999.36x = 86,997.77 × 18,556.34
  4. Step 4: Simplify right side
    57,999.36x = 1,614,360,199.36
  5. Step 5: Solve for x
    x = 1,614,360,199.36/57,999.36
  6. Step 6: Final answer
    x = 27,834.10

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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.