Home / 36,017.71-49,707.25-20,104.55

Finding the Fourth Proportional to 36,017.71, 49,707.25 and 20,104.55

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Solution

The fourth proportional to 36,017.71, 49,707.25 and 20,104.55 is: 27,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,017.71 : 49,707.25 = 20,104.55 : x
  2. Step 2: Convert to fraction form
    36,017.71/49,707.25 = 20,104.55/x
  3. Step 3: Cross multiply
    36,017.71x = 49,707.25 × 20,104.55
  4. Step 4: Simplify right side
    36,017.71x = 999,341,892.99
  5. Step 5: Solve for x
    x = 999,341,892.99/36,017.71
  6. Step 6: Final answer
    x = 27,745.85

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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.