Home / 33,533.28-50,271.12-18,730.08

Finding the Fourth Proportional to 33,533.28, 50,271.12 and 18,730.08

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Solution

The fourth proportional to 33,533.28, 50,271.12 and 18,730.08 is: 28,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,533.28 : 50,271.12 = 18,730.08 : x
  2. Step 2: Convert to fraction form
    33,533.28/50,271.12 = 18,730.08/x
  3. Step 3: Cross multiply
    33,533.28x = 50,271.12 × 18,730.08
  4. Step 4: Simplify right side
    33,533.28x = 941,582,099.29
  5. Step 5: Solve for x
    x = 941,582,099.29/33,533.28
  6. Step 6: Final answer
    x = 28,079.03

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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.