Home / 35,489.90-53,239.62-10,530.30

Finding the Fourth Proportional to 35,489.90, 53,239.62 and 10,530.30

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Solution

The fourth proportional to 35,489.90, 53,239.62 and 10,530.30 is: 15,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.90 : 53,239.62 = 10,530.30 : x
  2. Step 2: Convert to fraction form
    35,489.90/53,239.62 = 10,530.30/x
  3. Step 3: Cross multiply
    35,489.90x = 53,239.62 × 10,530.30
  4. Step 4: Simplify right side
    35,489.90x = 560,629,170.49
  5. Step 5: Solve for x
    x = 560,629,170.49/35,489.90
  6. Step 6: Final answer
    x = 15,796.87

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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.