Home / 33,829.20-50,743.80-10,455.60

Finding the Fourth Proportional to 33,829.20, 50,743.80 and 10,455.60

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Solution

The fourth proportional to 33,829.20, 50,743.80 and 10,455.60 is: 15,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,829.20 : 50,743.80 = 10,455.60 : x
  2. Step 2: Convert to fraction form
    33,829.20/50,743.80 = 10,455.60/x
  3. Step 3: Cross multiply
    33,829.20x = 50,743.80 × 10,455.60
  4. Step 4: Simplify right side
    33,829.20x = 530,556,875.28
  5. Step 5: Solve for x
    x = 530,556,875.28/33,829.20
  6. Step 6: Final answer
    x = 15,683.40

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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.