Home / 51,567.90-71,168.74-28,906.92

Finding the Fourth Proportional to 51,567.90, 71,168.74 and 28,906.92

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Solution

The fourth proportional to 51,567.90, 71,168.74 and 28,906.92 is: 39,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,567.90 : 71,168.74 = 28,906.92 : x
  2. Step 2: Convert to fraction form
    51,567.90/71,168.74 = 28,906.92/x
  3. Step 3: Cross multiply
    51,567.90x = 71,168.74 × 28,906.92
  4. Step 4: Simplify right side
    51,567.90x = 2,057,269,073.68
  5. Step 5: Solve for x
    x = 2,057,269,073.68/51,567.90
  6. Step 6: Final answer
    x = 39,894.37

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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.