Home / 51,806.44-77,735.58-20,663.56

Finding the Fourth Proportional to 51,806.44, 77,735.58 and 20,663.56

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Solution

The fourth proportional to 51,806.44, 77,735.58 and 20,663.56 is: 31,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.44 : 77,735.58 = 20,663.56 : x
  2. Step 2: Convert to fraction form
    51,806.44/77,735.58 = 20,663.56/x
  3. Step 3: Cross multiply
    51,806.44x = 77,735.58 × 20,663.56
  4. Step 4: Simplify right side
    51,806.44x = 1,606,293,821.46
  5. Step 5: Solve for x
    x = 1,606,293,821.46/51,806.44
  6. Step 6: Final answer
    x = 31,005.68

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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.