Home / 45,806.42-63,212.78-25,663.43

Finding the Fourth Proportional to 45,806.42, 63,212.78 and 25,663.43

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Solution

The fourth proportional to 45,806.42, 63,212.78 and 25,663.43 is: 35,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.42 : 63,212.78 = 25,663.43 : x
  2. Step 2: Convert to fraction form
    45,806.42/63,212.78 = 25,663.43/x
  3. Step 3: Cross multiply
    45,806.42x = 63,212.78 × 25,663.43
  4. Step 4: Simplify right side
    45,806.42x = 1,622,256,310.25
  5. Step 5: Solve for x
    x = 1,622,256,310.25/45,806.42
  6. Step 6: Final answer
    x = 35,415.48

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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.