Home / 57,530.40-86,295.60-18,087.45

Finding the Fourth Proportional to 57,530.40, 86,295.60 and 18,087.45

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Solution

The fourth proportional to 57,530.40, 86,295.60 and 18,087.45 is: 27,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,530.40 : 86,295.60 = 18,087.45 : x
  2. Step 2: Convert to fraction form
    57,530.40/86,295.60 = 18,087.45/x
  3. Step 3: Cross multiply
    57,530.40x = 86,295.60 × 18,087.45
  4. Step 4: Simplify right side
    57,530.40x = 1,560,867,350.22
  5. Step 5: Solve for x
    x = 1,560,867,350.22/57,530.40
  6. Step 6: Final answer
    x = 27,131.18

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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.