Home / 57,741.60-86,615.10-18,301.80

Finding the Fourth Proportional to 57,741.60, 86,615.10 and 18,301.80

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Solution

The fourth proportional to 57,741.60, 86,615.10 and 18,301.80 is: 27,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.60 : 86,615.10 = 18,301.80 : x
  2. Step 2: Convert to fraction form
    57,741.60/86,615.10 = 18,301.80/x
  3. Step 3: Cross multiply
    57,741.60x = 86,615.10 × 18,301.80
  4. Step 4: Simplify right side
    57,741.60x = 1,585,212,237.18
  5. Step 5: Solve for x
    x = 1,585,212,237.18/57,741.60
  6. Step 6: Final answer
    x = 27,453.56

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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.