Home / 36,787.97-50,771.61-20,875.32

Finding the Fourth Proportional to 36,787.97, 50,771.61 and 20,875.32

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Solution

The fourth proportional to 36,787.97, 50,771.61 and 20,875.32 is: 28,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.97 : 50,771.61 = 20,875.32 : x
  2. Step 2: Convert to fraction form
    36,787.97/50,771.61 = 20,875.32/x
  3. Step 3: Cross multiply
    36,787.97x = 50,771.61 × 20,875.32
  4. Step 4: Simplify right side
    36,787.97x = 1,059,873,605.67
  5. Step 5: Solve for x
    x = 1,059,873,605.67/36,787.97
  6. Step 6: Final answer
    x = 28,810.33

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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.