Home / 55,212.04-82,827.80-20,200.60

Finding the Fourth Proportional to 55,212.04, 82,827.80 and 20,200.60

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Solution

The fourth proportional to 55,212.04, 82,827.80 and 20,200.60 is: 30,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.04 : 82,827.80 = 20,200.60 : x
  2. Step 2: Convert to fraction form
    55,212.04/82,827.80 = 20,200.60/x
  3. Step 3: Cross multiply
    55,212.04x = 82,827.80 × 20,200.60
  4. Step 4: Simplify right side
    55,212.04x = 1,673,171,256.68
  5. Step 5: Solve for x
    x = 1,673,171,256.68/55,212.04
  6. Step 6: Final answer
    x = 30,304.46

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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.