Home / 51,518.80-71,096.84-28,857.58

Finding the Fourth Proportional to 51,518.80, 71,096.84 and 28,857.58

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Solution

The fourth proportional to 51,518.80, 71,096.84 and 28,857.58 is: 39,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.80 : 71,096.84 = 28,857.58 : x
  2. Step 2: Convert to fraction form
    51,518.80/71,096.84 = 28,857.58/x
  3. Step 3: Cross multiply
    51,518.80x = 71,096.84 × 28,857.58
  4. Step 4: Simplify right side
    51,518.80x = 2,051,682,748.05
  5. Step 5: Solve for x
    x = 2,051,682,748.05/51,518.80
  6. Step 6: Final answer
    x = 39,823.96

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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.