Home / 48,535.06-72,813.51-18,961.33

Finding the Fourth Proportional to 48,535.06, 72,813.51 and 18,961.33

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Solution

The fourth proportional to 48,535.06, 72,813.51 and 18,961.33 is: 28,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.06 : 72,813.51 = 18,961.33 : x
  2. Step 2: Convert to fraction form
    48,535.06/72,813.51 = 18,961.33/x
  3. Step 3: Cross multiply
    48,535.06x = 72,813.51 × 18,961.33
  4. Step 4: Simplify right side
    48,535.06x = 1,380,640,991.57
  5. Step 5: Solve for x
    x = 1,380,640,991.57/48,535.06
  6. Step 6: Final answer
    x = 28,446.26

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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.