Home / 50,964.20-70,328.21-28,304.65

Finding the Fourth Proportional to 50,964.20, 70,328.21 and 28,304.65

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Solution

The fourth proportional to 50,964.20, 70,328.21 and 28,304.65 is: 39,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.20 : 70,328.21 = 28,304.65 : x
  2. Step 2: Convert to fraction form
    50,964.20/70,328.21 = 28,304.65/x
  3. Step 3: Cross multiply
    50,964.20x = 70,328.21 × 28,304.65
  4. Step 4: Simplify right side
    50,964.20x = 1,990,615,369.18
  5. Step 5: Solve for x
    x = 1,990,615,369.18/50,964.20
  6. Step 6: Final answer
    x = 39,059.09

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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.