Home / 39,954.63-55,375.47-39,207.29

Finding the Fourth Proportional to 39,954.63, 55,375.47 and 39,207.29

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Solution

The fourth proportional to 39,954.63, 55,375.47 and 39,207.29 is: 54,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.63 : 55,375.47 = 39,207.29 : x
  2. Step 2: Convert to fraction form
    39,954.63/55,375.47 = 39,207.29/x
  3. Step 3: Cross multiply
    39,954.63x = 55,375.47 × 39,207.29
  4. Step 4: Simplify right side
    39,954.63x = 2,171,122,007.95
  5. Step 5: Solve for x
    x = 2,171,122,007.95/39,954.63
  6. Step 6: Final answer
    x = 54,339.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.