Home / 51,542.15-71,162.43-39,584.12

Finding the Fourth Proportional to 51,542.15, 71,162.43 and 39,584.12

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Solution

The fourth proportional to 51,542.15, 71,162.43 and 39,584.12 is: 54,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,542.15 : 71,162.43 = 39,584.12 : x
  2. Step 2: Convert to fraction form
    51,542.15/71,162.43 = 39,584.12/x
  3. Step 3: Cross multiply
    51,542.15x = 71,162.43 × 39,584.12
  4. Step 4: Simplify right side
    51,542.15x = 2,816,902,168.61
  5. Step 5: Solve for x
    x = 2,816,902,168.61/51,542.15
  6. Step 6: Final answer
    x = 54,652.40

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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.