Home / 51,622.91-71,240.10-28,962.38

Finding the Fourth Proportional to 51,622.91, 71,240.10 and 28,962.38

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Solution

The fourth proportional to 51,622.91, 71,240.10 and 28,962.38 is: 39,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622.91 : 71,240.10 = 28,962.38 : x
  2. Step 2: Convert to fraction form
    51,622.91/71,240.10 = 28,962.38/x
  3. Step 3: Cross multiply
    51,622.91x = 71,240.10 × 28,962.38
  4. Step 4: Simplify right side
    51,622.91x = 2,063,282,847.44
  5. Step 5: Solve for x
    x = 2,063,282,847.44/51,622.91
  6. Step 6: Final answer
    x = 39,968.36

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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.