Home / 65,382.93-98,074.40-18,634.59

Finding the Fourth Proportional to 65,382.93, 98,074.40 and 18,634.59

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Solution

The fourth proportional to 65,382.93, 98,074.40 and 18,634.59 is: 27,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,382.93 : 98,074.40 = 18,634.59 : x
  2. Step 2: Convert to fraction form
    65,382.93/98,074.40 = 18,634.59/x
  3. Step 3: Cross multiply
    65,382.93x = 98,074.40 × 18,634.59
  4. Step 4: Simplify right side
    65,382.93x = 1,827,576,647.86
  5. Step 5: Solve for x
    x = 1,827,576,647.86/65,382.93
  6. Step 6: Final answer
    x = 27,951.89

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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.