Home / 48,791.51-67,324.63-28,378.09

Finding the Fourth Proportional to 48,791.51, 67,324.63 and 28,378.09

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Solution

The fourth proportional to 48,791.51, 67,324.63 and 28,378.09 is: 39,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.51 : 67,324.63 = 28,378.09 : x
  2. Step 2: Convert to fraction form
    48,791.51/67,324.63 = 28,378.09/x
  3. Step 3: Cross multiply
    48,791.51x = 67,324.63 × 28,378.09
  4. Step 4: Simplify right side
    48,791.51x = 1,910,544,475.78
  5. Step 5: Solve for x
    x = 1,910,544,475.78/48,791.51
  6. Step 6: Final answer
    x = 39,157.31

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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.