Home / 55,577.09-76,703.69-31,698.29

Finding the Fourth Proportional to 55,577.09, 76,703.69 and 31,698.29

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Solution

The fourth proportional to 55,577.09, 76,703.69 and 31,698.29 is: 43,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.09 : 76,703.69 = 31,698.29 : x
  2. Step 2: Convert to fraction form
    55,577.09/76,703.69 = 31,698.29/x
  3. Step 3: Cross multiply
    55,577.09x = 76,703.69 × 31,698.29
  4. Step 4: Simplify right side
    55,577.09x = 2,431,375,809.69
  5. Step 5: Solve for x
    x = 2,431,375,809.69/55,577.09
  6. Step 6: Final answer
    x = 43,747.81

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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.