Home / 51,048.58-76,566.79-13,611.46

Finding the Fourth Proportional to 51,048.58, 76,566.79 and 13,611.46

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Solution

The fourth proportional to 51,048.58, 76,566.79 and 13,611.46 is: 20,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.58 : 76,566.79 = 13,611.46 : x
  2. Step 2: Convert to fraction form
    51,048.58/76,566.79 = 13,611.46/x
  3. Step 3: Cross multiply
    51,048.58x = 76,566.79 × 13,611.46
  4. Step 4: Simplify right side
    51,048.58x = 1,042,185,799.41
  5. Step 5: Solve for x
    x = 1,042,185,799.41/51,048.58
  6. Step 6: Final answer
    x = 20,415.57

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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.