Home / 36,776.31-55,172.75-13,402.83

Finding the Fourth Proportional to 36,776.31, 55,172.75 and 13,402.83

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Solution

The fourth proportional to 36,776.31, 55,172.75 and 13,402.83 is: 20,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.31 : 55,172.75 = 13,402.83 : x
  2. Step 2: Convert to fraction form
    36,776.31/55,172.75 = 13,402.83/x
  3. Step 3: Cross multiply
    36,776.31x = 55,172.75 × 13,402.83
  4. Step 4: Simplify right side
    36,776.31x = 739,470,921.87
  5. Step 5: Solve for x
    x = 739,470,921.87/36,776.31
  6. Step 6: Final answer
    x = 20,107.26

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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.