Home / 65,658.26-98,479.14-18,276.90

Finding the Fourth Proportional to 65,658.26, 98,479.14 and 18,276.90

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Solution

The fourth proportional to 65,658.26, 98,479.14 and 18,276.90 is: 27,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,658.26 : 98,479.14 = 18,276.90 : x
  2. Step 2: Convert to fraction form
    65,658.26/98,479.14 = 18,276.90/x
  3. Step 3: Cross multiply
    65,658.26x = 98,479.14 × 18,276.90
  4. Step 4: Simplify right side
    65,658.26x = 1,799,893,393.87
  5. Step 5: Solve for x
    x = 1,799,893,393.87/65,658.26
  6. Step 6: Final answer
    x = 27,413.05

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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.