Home / 33,874.24-46,748.12-20,445.28

Finding the Fourth Proportional to 33,874.24, 46,748.12 and 20,445.28

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Solution

The fourth proportional to 33,874.24, 46,748.12 and 20,445.28 is: 28,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,874.24 : 46,748.12 = 20,445.28 : x
  2. Step 2: Convert to fraction form
    33,874.24/46,748.12 = 20,445.28/x
  3. Step 3: Cross multiply
    33,874.24x = 46,748.12 × 20,445.28
  4. Step 4: Simplify right side
    33,874.24x = 955,778,402.87
  5. Step 5: Solve for x
    x = 955,778,402.87/33,874.24
  6. Step 6: Final answer
    x = 28,215.49

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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.