Home / 50,771.04-70,063.92-28,111.20

Finding the Fourth Proportional to 50,771.04, 70,063.92 and 28,111.20

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Solution

The fourth proportional to 50,771.04, 70,063.92 and 28,111.20 is: 38,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,771.04 : 70,063.92 = 28,111.20 : x
  2. Step 2: Convert to fraction form
    50,771.04/70,063.92 = 28,111.20/x
  3. Step 3: Cross multiply
    50,771.04x = 70,063.92 × 28,111.20
  4. Step 4: Simplify right side
    50,771.04x = 1,969,580,867.90
  5. Step 5: Solve for x
    x = 1,969,580,867.90/50,771.04
  6. Step 6: Final answer
    x = 38,793.39

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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.