Home / 55,470.05-76,548.66-31,610.57

Finding the Fourth Proportional to 55,470.05, 76,548.66 and 31,610.57

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Solution

The fourth proportional to 55,470.05, 76,548.66 and 31,610.57 is: 43,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.05 : 76,548.66 = 31,610.57 : x
  2. Step 2: Convert to fraction form
    55,470.05/76,548.66 = 31,610.57/x
  3. Step 3: Cross multiply
    55,470.05x = 76,548.66 × 31,610.57
  4. Step 4: Simplify right side
    55,470.05x = 2,419,746,392.59
  5. Step 5: Solve for x
    x = 2,419,746,392.59/55,470.05
  6. Step 6: Final answer
    x = 43,622.58

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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.