Home / 65,502.09-98,170.97-28,018.17

Finding the Fourth Proportional to 65,502.09, 98,170.97 and 28,018.17

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Solution

The fourth proportional to 65,502.09, 98,170.97 and 28,018.17 is: 41,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,502.09 : 98,170.97 = 28,018.17 : x
  2. Step 2: Convert to fraction form
    65,502.09/98,170.97 = 28,018.17/x
  3. Step 3: Cross multiply
    65,502.09x = 98,170.97 × 28,018.17
  4. Step 4: Simplify right side
    65,502.09x = 2,750,570,786.43
  5. Step 5: Solve for x
    x = 2,750,570,786.43/65,502.09
  6. Step 6: Final answer
    x = 41,992.11

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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.