Home / 33,621.80-50,432.70-18,876.20

Finding the Fourth Proportional to 33,621.80, 50,432.70 and 18,876.20

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Solution

The fourth proportional to 33,621.80, 50,432.70 and 18,876.20 is: 28,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.80 : 50,432.70 = 18,876.20 : x
  2. Step 2: Convert to fraction form
    33,621.80/50,432.70 = 18,876.20/x
  3. Step 3: Cross multiply
    33,621.80x = 50,432.70 × 18,876.20
  4. Step 4: Simplify right side
    33,621.80x = 951,977,731.74
  5. Step 5: Solve for x
    x = 951,977,731.74/33,621.80
  6. Step 6: Final answer
    x = 28,314.30

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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.