Home / 55,002.72-82,504.08-19,942.32

Finding the Fourth Proportional to 55,002.72, 82,504.08 and 19,942.32

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Solution

The fourth proportional to 55,002.72, 82,504.08 and 19,942.32 is: 29,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,002.72 : 82,504.08 = 19,942.32 : x
  2. Step 2: Convert to fraction form
    55,002.72/82,504.08 = 19,942.32/x
  3. Step 3: Cross multiply
    55,002.72x = 82,504.08 × 19,942.32
  4. Step 4: Simplify right side
    55,002.72x = 1,645,322,764.67
  5. Step 5: Solve for x
    x = 1,645,322,764.67/55,002.72
  6. Step 6: Final answer
    x = 29,913.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.