Home / 36,211.38-49,973.16-20,295.72

Finding the Fourth Proportional to 36,211.38, 49,973.16 and 20,295.72

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Solution

The fourth proportional to 36,211.38, 49,973.16 and 20,295.72 is: 28,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211.38 : 49,973.16 = 20,295.72 : x
  2. Step 2: Convert to fraction form
    36,211.38/49,973.16 = 20,295.72/x
  3. Step 3: Cross multiply
    36,211.38x = 49,973.16 × 20,295.72
  4. Step 4: Simplify right side
    36,211.38x = 1,014,241,262.88
  5. Step 5: Solve for x
    x = 1,014,241,262.88/36,211.38
  6. Step 6: Final answer
    x = 28,008.91

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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.