Home / 30,947.22-46,318.14-28,180.26

Finding the Fourth Proportional to 30,947.22, 46,318.14 and 28,180.26

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Solution

The fourth proportional to 30,947.22, 46,318.14 and 28,180.26 is: 42,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.22 : 46,318.14 = 28,180.26 : x
  2. Step 2: Convert to fraction form
    30,947.22/46,318.14 = 28,180.26/x
  3. Step 3: Cross multiply
    30,947.22x = 46,318.14 × 28,180.26
  4. Step 4: Simplify right side
    30,947.22x = 1,305,257,227.92
  5. Step 5: Solve for x
    x = 1,305,257,227.92/30,947.22
  6. Step 6: Final answer
    x = 42,176.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.