Home / 35,681.56-53,489.22-13,179.80

Finding the Fourth Proportional to 35,681.56, 53,489.22 and 13,179.80

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Solution

The fourth proportional to 35,681.56, 53,489.22 and 13,179.80 is: 19,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.56 : 53,489.22 = 13,179.80 : x
  2. Step 2: Convert to fraction form
    35,681.56/53,489.22 = 13,179.80/x
  3. Step 3: Cross multiply
    35,681.56x = 53,489.22 × 13,179.80
  4. Step 4: Simplify right side
    35,681.56x = 704,977,221.76
  5. Step 5: Solve for x
    x = 704,977,221.76/35,681.56
  6. Step 6: Final answer
    x = 19,757.47

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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.