Home / 65,444.20-98,141.46-27,980.80

Finding the Fourth Proportional to 65,444.20, 98,141.46 and 27,980.80

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Solution

The fourth proportional to 65,444.20, 98,141.46 and 27,980.80 is: 41,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,444.20 : 98,141.46 = 27,980.80 : x
  2. Step 2: Convert to fraction form
    65,444.20/98,141.46 = 27,980.80/x
  3. Step 3: Cross multiply
    65,444.20x = 98,141.46 × 27,980.80
  4. Step 4: Simplify right side
    65,444.20x = 2,746,076,563.97
  5. Step 5: Solve for x
    x = 2,746,076,563.97/65,444.20
  6. Step 6: Final answer
    x = 41,960.58

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1.5x scale

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.