Home / 33,580.87-50,371.00-12,520.19

Finding the Fourth Proportional to 33,580.87, 50,371.00 and 12,520.19

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Solution

The fourth proportional to 33,580.87, 50,371.00 and 12,520.19 is: 18,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,580.87 : 50,371.00 = 12,520.19 : x
  2. Step 2: Convert to fraction form
    33,580.87/50,371.00 = 12,520.19/x
  3. Step 3: Cross multiply
    33,580.87x = 50,371.00 × 12,520.19
  4. Step 4: Simplify right side
    33,580.87x = 630,654,585.12
  5. Step 5: Solve for x
    x = 630,654,585.12/33,580.87
  6. Step 6: Final answer
    x = 18,780.18

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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.