Home / 57,629.48-86,444.21-18,189.66

Finding the Fourth Proportional to 57,629.48, 86,444.21 and 18,189.66

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Solution

The fourth proportional to 57,629.48, 86,444.21 and 18,189.66 is: 27,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,629.48 : 86,444.21 = 18,189.66 : x
  2. Step 2: Convert to fraction form
    57,629.48/86,444.21 = 18,189.66/x
  3. Step 3: Cross multiply
    57,629.48x = 86,444.21 × 18,189.66
  4. Step 4: Simplify right side
    57,629.48x = 1,572,390,697.92
  5. Step 5: Solve for x
    x = 1,572,390,697.92/57,629.48
  6. Step 6: Final answer
    x = 27,284.49

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Similar ratio
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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.