Home / 57,449.12-86,173.76-18,009.36

Finding the Fourth Proportional to 57,449.12, 86,173.76 and 18,009.36

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Solution

The fourth proportional to 57,449.12, 86,173.76 and 18,009.36 is: 27,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449.12 : 86,173.76 = 18,009.36 : x
  2. Step 2: Convert to fraction form
    57,449.12/86,173.76 = 18,009.36/x
  3. Step 3: Cross multiply
    57,449.12x = 86,173.76 × 18,009.36
  4. Step 4: Simplify right side
    57,449.12x = 1,551,934,266.39
  5. Step 5: Solve for x
    x = 1,551,934,266.39/57,449.12
  6. Step 6: Final answer
    x = 27,014.07

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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.