Home / 57,149.08-85,743.82-25,556.36

Finding the Fourth Proportional to 57,149.08, 85,743.82 and 25,556.36

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Solution

The fourth proportional to 57,149.08, 85,743.82 and 25,556.36 is: 38,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149.08 : 85,743.82 = 25,556.36 : x
  2. Step 2: Convert to fraction form
    57,149.08/85,743.82 = 25,556.36/x
  3. Step 3: Cross multiply
    57,149.08x = 85,743.82 × 25,556.36
  4. Step 4: Simplify right side
    57,149.08x = 2,191,299,931.70
  5. Step 5: Solve for x
    x = 2,191,299,931.70/57,149.08
  6. Step 6: Final answer
    x = 38,343.57

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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.