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Finding the Fourth Proportional to 65,976.40, 98,975.40 and 36,422.74

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Solution

The fourth proportional to 65,976.40, 98,975.40 and 36,422.74 is: 54,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,976.40 : 98,975.40 = 36,422.74 : x
  2. Step 2: Convert to fraction form
    65,976.40/98,975.40 = 36,422.74/x
  3. Step 3: Cross multiply
    65,976.40x = 98,975.40 × 36,422.74
  4. Step 4: Simplify right side
    65,976.40x = 3,604,955,260.60
  5. Step 5: Solve for x
    x = 3,604,955,260.60/65,976.40
  6. Step 6: Final answer
    x = 54,640.07

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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.