Home / 57,459.06-86,189.67-18,015.30

Finding the Fourth Proportional to 57,459.06, 86,189.67 and 18,015.30

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Solution

The fourth proportional to 57,459.06, 86,189.67 and 18,015.30 is: 27,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459.06 : 86,189.67 = 18,015.30 : x
  2. Step 2: Convert to fraction form
    57,459.06/86,189.67 = 18,015.30/x
  3. Step 3: Cross multiply
    57,459.06x = 86,189.67 × 18,015.30
  4. Step 4: Simplify right side
    57,459.06x = 1,552,732,761.95
  5. Step 5: Solve for x
    x = 1,552,732,761.95/57,459.06
  6. Step 6: Final answer
    x = 27,023.29

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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.