Home / 50,996.25-70,379.15-28,644.57

Finding the Fourth Proportional to 50,996.25, 70,379.15 and 28,644.57

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Solution

The fourth proportional to 50,996.25, 70,379.15 and 28,644.57 is: 39,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,996.25 : 70,379.15 = 28,644.57 : x
  2. Step 2: Convert to fraction form
    50,996.25/70,379.15 = 28,644.57/x
  3. Step 3: Cross multiply
    50,996.25x = 70,379.15 × 28,644.57
  4. Step 4: Simplify right side
    50,996.25x = 2,015,980,345.49
  5. Step 5: Solve for x
    x = 2,015,980,345.49/50,996.25
  6. Step 6: Final answer
    x = 39,531.93

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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.