Home / 49,391.12-68,155.88-28,169.04

Finding the Fourth Proportional to 49,391.12, 68,155.88 and 28,169.04

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Solution

The fourth proportional to 49,391.12, 68,155.88 and 28,169.04 is: 38,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,391.12 : 68,155.88 = 28,169.04 : x
  2. Step 2: Convert to fraction form
    49,391.12/68,155.88 = 28,169.04/x
  3. Step 3: Cross multiply
    49,391.12x = 68,155.88 × 28,169.04
  4. Step 4: Simplify right side
    49,391.12x = 1,919,885,709.96
  5. Step 5: Solve for x
    x = 1,919,885,709.96/49,391.12
  6. Step 6: Final answer
    x = 38,871.07

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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.