Home / 49,392.12-68,157.26-28,170.04

Finding the Fourth Proportional to 49,392.12, 68,157.26 and 28,170.04

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Solution

The fourth proportional to 49,392.12, 68,157.26 and 28,170.04 is: 38,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392.12 : 68,157.26 = 28,170.04 : x
  2. Step 2: Convert to fraction form
    49,392.12/68,157.26 = 28,170.04/x
  3. Step 3: Cross multiply
    49,392.12x = 68,157.26 × 28,170.04
  4. Step 4: Simplify right side
    49,392.12x = 1,919,992,740.49
  5. Step 5: Solve for x
    x = 1,919,992,740.49/49,392.12
  6. Step 6: Final answer
    x = 38,872.45

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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.