Home / 33,821.40-50,732.10-33,130.20

Finding the Fourth Proportional to 33,821.40, 50,732.10 and 33,130.20

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Solution

The fourth proportional to 33,821.40, 50,732.10 and 33,130.20 is: 49,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.40 : 50,732.10 = 33,130.20 : x
  2. Step 2: Convert to fraction form
    33,821.40/50,732.10 = 33,130.20/x
  3. Step 3: Cross multiply
    33,821.40x = 50,732.10 × 33,130.20
  4. Step 4: Simplify right side
    33,821.40x = 1,680,764,619.42
  5. Step 5: Solve for x
    x = 1,680,764,619.42/33,821.40
  6. Step 6: Final answer
    x = 49,695.30

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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.