Home / 55,251.36-76,246.97-31,378.03

Finding the Fourth Proportional to 55,251.36, 76,246.97 and 31,378.03

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Solution

The fourth proportional to 55,251.36, 76,246.97 and 31,378.03 is: 43,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.36 : 76,246.97 = 31,378.03 : x
  2. Step 2: Convert to fraction form
    55,251.36/76,246.97 = 31,378.03/x
  3. Step 3: Cross multiply
    55,251.36x = 76,246.97 × 31,378.03
  4. Step 4: Simplify right side
    55,251.36x = 2,392,479,364.56
  5. Step 5: Solve for x
    x = 2,392,479,364.56/55,251.36
  6. Step 6: Final answer
    x = 43,301.73

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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.