Home / 33,820.40-50,730.60-33,129.20

Finding the Fourth Proportional to 33,820.40, 50,730.60 and 33,129.20

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Solution

The fourth proportional to 33,820.40, 50,730.60 and 33,129.20 is: 49,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.40 : 50,730.60 = 33,129.20 : x
  2. Step 2: Convert to fraction form
    33,820.40/50,730.60 = 33,129.20/x
  3. Step 3: Cross multiply
    33,820.40x = 50,730.60 × 33,129.20
  4. Step 4: Simplify right side
    33,820.40x = 1,680,664,193.52
  5. Step 5: Solve for x
    x = 1,680,664,193.52/33,820.40
  6. Step 6: Final answer
    x = 49,693.80

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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.