Home / 35,806.31-53,709.48-13,614.56

Finding the Fourth Proportional to 35,806.31, 53,709.48 and 13,614.56

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Solution

The fourth proportional to 35,806.31, 53,709.48 and 13,614.56 is: 20,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.31 : 53,709.48 = 13,614.56 : x
  2. Step 2: Convert to fraction form
    35,806.31/53,709.48 = 13,614.56/x
  3. Step 3: Cross multiply
    35,806.31x = 53,709.48 × 13,614.56
  4. Step 4: Simplify right side
    35,806.31x = 731,230,669.48
  5. Step 5: Solve for x
    x = 731,230,669.48/35,806.31
  6. Step 6: Final answer
    x = 20,421.84

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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.