Home / 33,874.38-46,748.39-20,445.45

Finding the Fourth Proportional to 33,874.38, 46,748.39 and 20,445.45

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Solution

The fourth proportional to 33,874.38, 46,748.39 and 20,445.45 is: 28,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,874.38 : 46,748.39 = 20,445.45 : x
  2. Step 2: Convert to fraction form
    33,874.38/46,748.39 = 20,445.45/x
  3. Step 3: Cross multiply
    33,874.38x = 46,748.39 × 20,445.45
  4. Step 4: Simplify right side
    33,874.38x = 955,791,768.10
  5. Step 5: Solve for x
    x = 955,791,768.10/33,874.38
  6. Step 6: Final answer
    x = 28,215.77

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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.