Home / 35,381.96-53,056.54-13,189.38

Finding the Fourth Proportional to 35,381.96, 53,056.54 and 13,189.38

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Solution

The fourth proportional to 35,381.96, 53,056.54 and 13,189.38 is: 19,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.96 : 53,056.54 = 13,189.38 : x
  2. Step 2: Convert to fraction form
    35,381.96/53,056.54 = 13,189.38/x
  3. Step 3: Cross multiply
    35,381.96x = 53,056.54 × 13,189.38
  4. Step 4: Simplify right side
    35,381.96x = 699,782,867.55
  5. Step 5: Solve for x
    x = 699,782,867.55/35,381.96
  6. Step 6: Final answer
    x = 19,777.96

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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.