Home / 33,428.26-50,142.36-8,127.64

Finding the Fourth Proportional to 33,428.26, 50,142.36 and 8,127.64

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Solution

The fourth proportional to 33,428.26, 50,142.36 and 8,127.64 is: 12,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.26 : 50,142.36 = 8,127.64 : x
  2. Step 2: Convert to fraction form
    33,428.26/50,142.36 = 8,127.64/x
  3. Step 3: Cross multiply
    33,428.26x = 50,142.36 × 8,127.64
  4. Step 4: Simplify right side
    33,428.26x = 407,538,925.47
  5. Step 5: Solve for x
    x = 407,538,925.47/33,428.26
  6. Step 6: Final answer
    x = 12,191.45

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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.