Home / 36,787.32-50,765.01-20,871.45

Finding the Fourth Proportional to 36,787.32, 50,765.01 and 20,871.45

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Solution

The fourth proportional to 36,787.32, 50,765.01 and 20,871.45 is: 28,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.32 : 50,765.01 = 20,871.45 : x
  2. Step 2: Convert to fraction form
    36,787.32/50,765.01 = 20,871.45/x
  3. Step 3: Cross multiply
    36,787.32x = 50,765.01 × 20,871.45
  4. Step 4: Simplify right side
    36,787.32x = 1,059,539,367.96
  5. Step 5: Solve for x
    x = 1,059,539,367.96/36,787.32
  6. Step 6: Final answer
    x = 28,801.75

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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.