Home / 54,669.06-82,003.59-31,279.23

Finding the Fourth Proportional to 54,669.06, 82,003.59 and 31,279.23

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Solution

The fourth proportional to 54,669.06, 82,003.59 and 31,279.23 is: 46,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.06 : 82,003.59 = 31,279.23 : x
  2. Step 2: Convert to fraction form
    54,669.06/82,003.59 = 31,279.23/x
  3. Step 3: Cross multiply
    54,669.06x = 82,003.59 × 31,279.23
  4. Step 4: Simplify right side
    54,669.06x = 2,565,009,152.44
  5. Step 5: Solve for x
    x = 2,565,009,152.44/54,669.06
  6. Step 6: Final answer
    x = 46,918.85

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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.