Home / 35,661.38-49,225.66-20,757.38

Finding the Fourth Proportional to 35,661.38, 49,225.66 and 20,757.38

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Solution

The fourth proportional to 35,661.38, 49,225.66 and 20,757.38 is: 28,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.38 : 49,225.66 = 20,757.38 : x
  2. Step 2: Convert to fraction form
    35,661.38/49,225.66 = 20,757.38/x
  3. Step 3: Cross multiply
    35,661.38x = 49,225.66 × 20,757.38
  4. Step 4: Simplify right side
    35,661.38x = 1,021,795,432.35
  5. Step 5: Solve for x
    x = 1,021,795,432.35/35,661.38
  6. Step 6: Final answer
    x = 28,652.72

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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.