Home / 55,418.40-76,469.04-31,546.08

Finding the Fourth Proportional to 55,418.40, 76,469.04 and 31,546.08

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Solution

The fourth proportional to 55,418.40, 76,469.04 and 31,546.08 is: 43,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,418.40 : 76,469.04 = 31,546.08 : x
  2. Step 2: Convert to fraction form
    55,418.40/76,469.04 = 31,546.08/x
  3. Step 3: Cross multiply
    55,418.40x = 76,469.04 × 31,546.08
  4. Step 4: Simplify right side
    55,418.40x = 2,412,298,453.36
  5. Step 5: Solve for x
    x = 2,412,298,453.36/55,418.40
  6. Step 6: Final answer
    x = 43,528.84

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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.