Home / 39,886.83-55,067.45-35,458.56

Finding the Fourth Proportional to 39,886.83, 55,067.45 and 35,458.56

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Solution

The fourth proportional to 39,886.83, 55,067.45 and 35,458.56 is: 48,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,886.83 : 55,067.45 = 35,458.56 : x
  2. Step 2: Convert to fraction form
    39,886.83/55,067.45 = 35,458.56/x
  3. Step 3: Cross multiply
    39,886.83x = 55,067.45 × 35,458.56
  4. Step 4: Simplify right side
    39,886.83x = 1,952,612,302.58
  5. Step 5: Solve for x
    x = 1,952,612,302.58/39,886.83
  6. Step 6: Final answer
    x = 48,953.81

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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.