Home / 50,827.70-70,147.11-28,171.60

Finding the Fourth Proportional to 50,827.70, 70,147.11 and 28,171.60

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Solution

The fourth proportional to 50,827.70, 70,147.11 and 28,171.60 is: 38,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,827.70 : 70,147.11 = 28,171.60 : x
  2. Step 2: Convert to fraction form
    50,827.70/70,147.11 = 28,171.60/x
  3. Step 3: Cross multiply
    50,827.70x = 70,147.11 × 28,171.60
  4. Step 4: Simplify right side
    50,827.70x = 1,976,156,254.35
  5. Step 5: Solve for x
    x = 1,976,156,254.35/50,827.70
  6. Step 6: Final answer
    x = 38,879.51

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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.