Home / 50,728.35-70,007.18-28,066.97

Finding the Fourth Proportional to 50,728.35, 70,007.18 and 28,066.97

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Solution

The fourth proportional to 50,728.35, 70,007.18 and 28,066.97 is: 38,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,728.35 : 70,007.18 = 28,066.97 : x
  2. Step 2: Convert to fraction form
    50,728.35/70,007.18 = 28,066.97/x
  3. Step 3: Cross multiply
    50,728.35x = 70,007.18 × 28,066.97
  4. Step 4: Simplify right side
    50,728.35x = 1,964,889,692.34
  5. Step 5: Solve for x
    x = 1,964,889,692.34/50,728.35
  6. Step 6: Final answer
    x = 38,733.56

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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.