Home / 46,640.88-69,947.82-20,339.28

Finding the Fourth Proportional to 46,640.88, 69,947.82 and 20,339.28

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Solution

The fourth proportional to 46,640.88, 69,947.82 and 20,339.28 is: 30,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,640.88 : 69,947.82 = 20,339.28 : x
  2. Step 2: Convert to fraction form
    46,640.88/69,947.82 = 20,339.28/x
  3. Step 3: Cross multiply
    46,640.88x = 69,947.82 × 20,339.28
  4. Step 4: Simplify right side
    46,640.88x = 1,422,688,296.37
  5. Step 5: Solve for x
    x = 1,422,688,296.37/46,640.88
  6. Step 6: Final answer
    x = 30,503.03

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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.