Home / 65,987.02-98,986.26-18,602.42

Finding the Fourth Proportional to 65,987.02, 98,986.26 and 18,602.42

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Solution

The fourth proportional to 65,987.02, 98,986.26 and 18,602.42 is: 27,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,987.02 : 98,986.26 = 18,602.42 : x
  2. Step 2: Convert to fraction form
    65,987.02/98,986.26 = 18,602.42/x
  3. Step 3: Cross multiply
    65,987.02x = 98,986.26 × 18,602.42
  4. Step 4: Simplify right side
    65,987.02x = 1,841,383,982.75
  5. Step 5: Solve for x
    x = 1,841,383,982.75/65,987.02
  6. Step 6: Final answer
    x = 27,905.25

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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.