Home / 40,147.99-55,430.22-25,814.25

Finding the Fourth Proportional to 40,147.99, 55,430.22 and 25,814.25

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Solution

The fourth proportional to 40,147.99, 55,430.22 and 25,814.25 is: 35,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.99 : 55,430.22 = 25,814.25 : x
  2. Step 2: Convert to fraction form
    40,147.99/55,430.22 = 25,814.25/x
  3. Step 3: Cross multiply
    40,147.99x = 55,430.22 × 25,814.25
  4. Step 4: Simplify right side
    40,147.99x = 1,430,889,556.64
  5. Step 5: Solve for x
    x = 1,430,889,556.64/40,147.99
  6. Step 6: Final answer
    x = 35,640.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.