Home / 27,218.70-40,645.53-27,087.48

Finding the Fourth Proportional to 27,218.70, 40,645.53 and 27,087.48

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Solution

The fourth proportional to 27,218.70, 40,645.53 and 27,087.48 is: 40,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.70 : 40,645.53 = 27,087.48 : x
  2. Step 2: Convert to fraction form
    27,218.70/40,645.53 = 27,087.48/x
  3. Step 3: Cross multiply
    27,218.70x = 40,645.53 × 27,087.48
  4. Step 4: Simplify right side
    27,218.70x = 1,100,984,980.96
  5. Step 5: Solve for x
    x = 1,100,984,980.96/27,218.70
  6. Step 6: Final answer
    x = 40,449.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.