Home / 51,179.35-70,625.19-28,520.82

Finding the Fourth Proportional to 51,179.35, 70,625.19 and 28,520.82

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Solution

The fourth proportional to 51,179.35, 70,625.19 and 28,520.82 is: 39,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.35 : 70,625.19 = 28,520.82 : x
  2. Step 2: Convert to fraction form
    51,179.35/70,625.19 = 28,520.82/x
  3. Step 3: Cross multiply
    51,179.35x = 70,625.19 × 28,520.82
  4. Step 4: Simplify right side
    51,179.35x = 2,014,288,331.46
  5. Step 5: Solve for x
    x = 2,014,288,331.46/51,179.35
  6. Step 6: Final answer
    x = 39,357.44

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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.