Home / 36,980.28-55,464.95-13,601.25

Finding the Fourth Proportional to 36,980.28, 55,464.95 and 13,601.25

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Solution

The fourth proportional to 36,980.28, 55,464.95 and 13,601.25 is: 20,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.28 : 55,464.95 = 13,601.25 : x
  2. Step 2: Convert to fraction form
    36,980.28/55,464.95 = 13,601.25/x
  3. Step 3: Cross multiply
    36,980.28x = 55,464.95 × 13,601.25
  4. Step 4: Simplify right side
    36,980.28x = 754,392,685.19
  5. Step 5: Solve for x
    x = 754,392,685.19/36,980.28
  6. Step 6: Final answer
    x = 20,399.86

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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.