Home / 49,086.72-67,741.44-28,934.40

Finding the Fourth Proportional to 49,086.72, 67,741.44 and 28,934.40

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Solution

The fourth proportional to 49,086.72, 67,741.44 and 28,934.40 is: 39,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,086.72 : 67,741.44 = 28,934.40 : x
  2. Step 2: Convert to fraction form
    49,086.72/67,741.44 = 28,934.40/x
  3. Step 3: Cross multiply
    49,086.72x = 67,741.44 × 28,934.40
  4. Step 4: Simplify right side
    49,086.72x = 1,960,057,921.54
  5. Step 5: Solve for x
    x = 1,960,057,921.54/49,086.72
  6. Step 6: Final answer
    x = 39,930.51

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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.