Home / 51,863.06-77,804.32-20,698.58

Finding the Fourth Proportional to 51,863.06, 77,804.32 and 20,698.58

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Solution

The fourth proportional to 51,863.06, 77,804.32 and 20,698.58 is: 31,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,863.06 : 77,804.32 = 20,698.58 : x
  2. Step 2: Convert to fraction form
    51,863.06/77,804.32 = 20,698.58/x
  3. Step 3: Cross multiply
    51,863.06x = 77,804.32 × 20,698.58
  4. Step 4: Simplify right side
    51,863.06x = 1,610,438,941.87
  5. Step 5: Solve for x
    x = 1,610,438,941.87/51,863.06
  6. Step 6: Final answer
    x = 31,051.75

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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.