Home / 35,890.60-49,530-19,976.80

Finding the Fourth Proportional to 35,890.60, 49,530 and 19,976.80

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Solution

The fourth proportional to 35,890.60, 49,530 and 19,976.80 is: 27,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.60 : 49,530 = 19,976.80 : x
  2. Step 2: Convert to fraction form
    35,890.60/49,530 = 19,976.80/x
  3. Step 3: Cross multiply
    35,890.60x = 49,530 × 19,976.80
  4. Step 4: Simplify right side
    35,890.60x = 989,450,904
  5. Step 5: Solve for x
    x = 989,450,904/35,890.60
  6. Step 6: Final answer
    x = 27,568.53

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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.