Home / 50,880.39-76,324.23-13,440.09

Finding the Fourth Proportional to 50,880.39, 76,324.23 and 13,440.09

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Solution

The fourth proportional to 50,880.39, 76,324.23 and 13,440.09 is: 20,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.39 : 76,324.23 = 13,440.09 : x
  2. Step 2: Convert to fraction form
    50,880.39/76,324.23 = 13,440.09/x
  3. Step 3: Cross multiply
    50,880.39x = 76,324.23 × 13,440.09
  4. Step 4: Simplify right side
    50,880.39x = 1,025,804,520.38
  5. Step 5: Solve for x
    x = 1,025,804,520.38/50,880.39
  6. Step 6: Final answer
    x = 20,161.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.