Home / 55,427.46-76,470.78-31,548.06

Finding the Fourth Proportional to 55,427.46, 76,470.78 and 31,548.06

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Solution

The fourth proportional to 55,427.46, 76,470.78 and 31,548.06 is: 43,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.46 : 76,470.78 = 31,548.06 : x
  2. Step 2: Convert to fraction form
    55,427.46/76,470.78 = 31,548.06/x
  3. Step 3: Cross multiply
    55,427.46x = 76,470.78 × 31,548.06
  4. Step 4: Simplify right side
    55,427.46x = 2,412,504,755.69
  5. Step 5: Solve for x
    x = 2,412,504,755.69/55,427.46
  6. Step 6: Final answer
    x = 43,525.44

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1.5x scale

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.