Home / 50,976.16-70,339.92-28,313.44

Finding the Fourth Proportional to 50,976.16, 70,339.92 and 28,313.44

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Solution

The fourth proportional to 50,976.16, 70,339.92 and 28,313.44 is: 39,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976.16 : 70,339.92 = 28,313.44 : x
  2. Step 2: Convert to fraction form
    50,976.16/70,339.92 = 28,313.44/x
  3. Step 3: Cross multiply
    50,976.16x = 70,339.92 × 28,313.44
  4. Step 4: Simplify right side
    50,976.16x = 1,991,565,104.52
  5. Step 5: Solve for x
    x = 1,991,565,104.52/50,976.16
  6. Step 6: Final answer
    x = 39,068.56

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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.