Home / 30,632.31-42,241.44-28,846.44

Finding the Fourth Proportional to 30,632.31, 42,241.44 and 28,846.44

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Solution

The fourth proportional to 30,632.31, 42,241.44 and 28,846.44 is: 39,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.31 : 42,241.44 = 28,846.44 : x
  2. Step 2: Convert to fraction form
    30,632.31/42,241.44 = 28,846.44/x
  3. Step 3: Cross multiply
    30,632.31x = 42,241.44 × 28,846.44
  4. Step 4: Simplify right side
    30,632.31x = 1,218,515,164.47
  5. Step 5: Solve for x
    x = 1,218,515,164.47/30,632.31
  6. Step 6: Final answer
    x = 39,778.76

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1.5x scale

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.