Home / 57,999.21-86,980.26-18,546.93

Finding the Fourth Proportional to 57,999.21, 86,980.26 and 18,546.93

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Solution

The fourth proportional to 57,999.21, 86,980.26 and 18,546.93 is: 27,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.21 : 86,980.26 = 18,546.93 : x
  2. Step 2: Convert to fraction form
    57,999.21/86,980.26 = 18,546.93/x
  3. Step 3: Cross multiply
    57,999.21x = 86,980.26 × 18,546.93
  4. Step 4: Simplify right side
    57,999.21x = 1,613,216,793.60
  5. Step 5: Solve for x
    x = 1,613,216,793.60/57,999.21
  6. Step 6: Final answer
    x = 27,814.46

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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.