Home / 35,359.88-53,040.42-11,986.92

Finding the Fourth Proportional to 35,359.88, 53,040.42 and 11,986.92

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Solution

The fourth proportional to 35,359.88, 53,040.42 and 11,986.92 is: 17,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.88 : 53,040.42 = 11,986.92 : x
  2. Step 2: Convert to fraction form
    35,359.88/53,040.42 = 11,986.92/x
  3. Step 3: Cross multiply
    35,359.88x = 53,040.42 × 11,986.92
  4. Step 4: Simplify right side
    35,359.88x = 635,791,271.31
  5. Step 5: Solve for x
    x = 635,791,271.31/35,359.88
  6. Step 6: Final answer
    x = 17,980.59

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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.