Home / 50,876.88-70,208.82-28,215.54

Finding the Fourth Proportional to 50,876.88, 70,208.82 and 28,215.54

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Solution

The fourth proportional to 50,876.88, 70,208.82 and 28,215.54 is: 38,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876.88 : 70,208.82 = 28,215.54 : x
  2. Step 2: Convert to fraction form
    50,876.88/70,208.82 = 28,215.54/x
  3. Step 3: Cross multiply
    50,876.88x = 70,208.82 × 28,215.54
  4. Step 4: Simplify right side
    50,876.88x = 1,980,979,769.06
  5. Step 5: Solve for x
    x = 1,980,979,769.06/50,876.88
  6. Step 6: Final answer
    x = 38,936.74

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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.