Home / 51,479.82-71,055.90-30,273.21

Finding the Fourth Proportional to 51,479.82, 71,055.90 and 30,273.21

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Solution

The fourth proportional to 51,479.82, 71,055.90 and 30,273.21 is: 41,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.82 : 71,055.90 = 30,273.21 : x
  2. Step 2: Convert to fraction form
    51,479.82/71,055.90 = 30,273.21/x
  3. Step 3: Cross multiply
    51,479.82x = 71,055.90 × 30,273.21
  4. Step 4: Simplify right side
    51,479.82x = 2,151,090,182.44
  5. Step 5: Solve for x
    x = 2,151,090,182.44/51,479.82
  6. Step 6: Final answer
    x = 41,785.11

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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.