Home / 36,354.32-50,170.41-20,438.72

Finding the Fourth Proportional to 36,354.32, 50,170.41 and 20,438.72

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Solution

The fourth proportional to 36,354.32, 50,170.41 and 20,438.72 is: 28,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,354.32 : 50,170.41 = 20,438.72 : x
  2. Step 2: Convert to fraction form
    36,354.32/50,170.41 = 20,438.72/x
  3. Step 3: Cross multiply
    36,354.32x = 50,170.41 × 20,438.72
  4. Step 4: Simplify right side
    36,354.32x = 1,025,418,962.28
  5. Step 5: Solve for x
    x = 1,025,418,962.28/36,354.32
  6. Step 6: Final answer
    x = 28,206.25

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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.