Home / 55,914.64-83,845.44-20,350.80

Finding the Fourth Proportional to 55,914.64, 83,845.44 and 20,350.80

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Solution

The fourth proportional to 55,914.64, 83,845.44 and 20,350.80 is: 30,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.64 : 83,845.44 = 20,350.80 : x
  2. Step 2: Convert to fraction form
    55,914.64/83,845.44 = 20,350.80/x
  3. Step 3: Cross multiply
    55,914.64x = 83,845.44 × 20,350.80
  4. Step 4: Simplify right side
    55,914.64x = 1,706,321,780.35
  5. Step 5: Solve for x
    x = 1,706,321,780.35/55,914.64
  6. Step 6: Final answer
    x = 30,516.55

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1.5x scale

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.