Home / 51,540.44-71,133.32-28,880.98

Finding the Fourth Proportional to 51,540.44, 71,133.32 and 28,880.98

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Solution

The fourth proportional to 51,540.44, 71,133.32 and 28,880.98 is: 39,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,540.44 : 71,133.32 = 28,880.98 : x
  2. Step 2: Convert to fraction form
    51,540.44/71,133.32 = 28,880.98/x
  3. Step 3: Cross multiply
    51,540.44x = 71,133.32 × 28,880.98
  4. Step 4: Simplify right side
    51,540.44x = 2,054,399,886.62
  5. Step 5: Solve for x
    x = 2,054,399,886.62/51,540.44
  6. Step 6: Final answer
    x = 39,859.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.