Home / 51,865.20-71,571.06-30,646.44

Finding the Fourth Proportional to 51,865.20, 71,571.06 and 30,646.44

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Solution

The fourth proportional to 51,865.20, 71,571.06 and 30,646.44 is: 42,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865.20 : 71,571.06 = 30,646.44 : x
  2. Step 2: Convert to fraction form
    51,865.20/71,571.06 = 30,646.44/x
  3. Step 3: Cross multiply
    51,865.20x = 71,571.06 × 30,646.44
  4. Step 4: Simplify right side
    51,865.20x = 2,193,398,196.03
  5. Step 5: Solve for x
    x = 2,193,398,196.03/51,865.20
  6. Step 6: Final answer
    x = 42,290.36

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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.