Home / 35,112.90-52,669.23-11,739.30

Finding the Fourth Proportional to 35,112.90, 52,669.23 and 11,739.30

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Solution

The fourth proportional to 35,112.90, 52,669.23 and 11,739.30 is: 17,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.90 : 52,669.23 = 11,739.30 : x
  2. Step 2: Convert to fraction form
    35,112.90/52,669.23 = 11,739.30/x
  3. Step 3: Cross multiply
    35,112.90x = 52,669.23 × 11,739.30
  4. Step 4: Simplify right side
    35,112.90x = 618,299,891.74
  5. Step 5: Solve for x
    x = 618,299,891.74/35,112.90
  6. Step 6: Final answer
    x = 17,608.91

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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.