Home / 51,517.58-77,270.24-13,570.70

Finding the Fourth Proportional to 51,517.58, 77,270.24 and 13,570.70

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Solution

The fourth proportional to 51,517.58, 77,270.24 and 13,570.70 is: 20,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.58 : 77,270.24 = 13,570.70 : x
  2. Step 2: Convert to fraction form
    51,517.58/77,270.24 = 13,570.70/x
  3. Step 3: Cross multiply
    51,517.58x = 77,270.24 × 13,570.70
  4. Step 4: Simplify right side
    51,517.58x = 1,048,611,245.97
  5. Step 5: Solve for x
    x = 1,048,611,245.97/51,517.58
  6. Step 6: Final answer
    x = 20,354.44

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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.