Home / 51,680.53-77,520.80-16,620.19

Finding the Fourth Proportional to 51,680.53, 77,520.80 and 16,620.19

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Solution

The fourth proportional to 51,680.53, 77,520.80 and 16,620.19 is: 24,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.53 : 77,520.80 = 16,620.19 : x
  2. Step 2: Convert to fraction form
    51,680.53/77,520.80 = 16,620.19/x
  3. Step 3: Cross multiply
    51,680.53x = 77,520.80 × 16,620.19
  4. Step 4: Simplify right side
    51,680.53x = 1,288,410,179.21
  5. Step 5: Solve for x
    x = 1,288,410,179.21/51,680.53
  6. Step 6: Final answer
    x = 24,930.28

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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.