Home / 51,566.16-71,164.16-28,912.44

Finding the Fourth Proportional to 51,566.16, 71,164.16 and 28,912.44

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Solution

The fourth proportional to 51,566.16, 71,164.16 and 28,912.44 is: 39,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,566.16 : 71,164.16 = 28,912.44 : x
  2. Step 2: Convert to fraction form
    51,566.16/71,164.16 = 28,912.44/x
  3. Step 3: Cross multiply
    51,566.16x = 71,164.16 × 28,912.44
  4. Step 4: Simplify right side
    51,566.16x = 2,057,529,506.15
  5. Step 5: Solve for x
    x = 2,057,529,506.15/51,566.16
  6. Step 6: Final answer
    x = 39,900.77

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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.