Home / 55,394.36-76,447.04-31,524.44

Finding the Fourth Proportional to 55,394.36, 76,447.04 and 31,524.44

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Solution

The fourth proportional to 55,394.36, 76,447.04 and 31,524.44 is: 43,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.36 : 76,447.04 = 31,524.44 : x
  2. Step 2: Convert to fraction form
    55,394.36/76,447.04 = 31,524.44/x
  3. Step 3: Cross multiply
    55,394.36x = 76,447.04 × 31,524.44
  4. Step 4: Simplify right side
    55,394.36x = 2,409,950,125.66
  5. Step 5: Solve for x
    x = 2,409,950,125.66/55,394.36
  6. Step 6: Final answer
    x = 43,505.33

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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.