Home / 36,040.40-49,735.86-20,125.43

Finding the Fourth Proportional to 36,040.40, 49,735.86 and 20,125.43

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Solution

The fourth proportional to 36,040.40, 49,735.86 and 20,125.43 is: 27,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,040.40 : 49,735.86 = 20,125.43 : x
  2. Step 2: Convert to fraction form
    36,040.40/49,735.86 = 20,125.43/x
  3. Step 3: Cross multiply
    36,040.40x = 49,735.86 × 20,125.43
  4. Step 4: Simplify right side
    36,040.40x = 1,000,955,568.92
  5. Step 5: Solve for x
    x = 1,000,955,568.92/36,040.40
  6. Step 6: Final answer
    x = 27,773.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.