Home / 39,956.59-55,181.15-33,175.23

Finding the Fourth Proportional to 39,956.59, 55,181.15 and 33,175.23

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Solution

The fourth proportional to 39,956.59, 55,181.15 and 33,175.23 is: 45,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.59 : 55,181.15 = 33,175.23 : x
  2. Step 2: Convert to fraction form
    39,956.59/55,181.15 = 33,175.23/x
  3. Step 3: Cross multiply
    39,956.59x = 55,181.15 × 33,175.23
  4. Step 4: Simplify right side
    39,956.59x = 1,830,647,342.91
  5. Step 5: Solve for x
    x = 1,830,647,342.91/39,956.59
  6. Step 6: Final answer
    x = 45,815.91

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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.