Home / 36,752.96-55,142.40-13,381.76

Finding the Fourth Proportional to 36,752.96, 55,142.40 and 13,381.76

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Solution

The fourth proportional to 36,752.96, 55,142.40 and 13,381.76 is: 20,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.96 : 55,142.40 = 13,381.76 : x
  2. Step 2: Convert to fraction form
    36,752.96/55,142.40 = 13,381.76/x
  3. Step 3: Cross multiply
    36,752.96x = 55,142.40 × 13,381.76
  4. Step 4: Simplify right side
    36,752.96x = 737,902,362.62
  5. Step 5: Solve for x
    x = 737,902,362.62/36,752.96
  6. Step 6: Final answer
    x = 20,077.36

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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.