Home / 36,023.60-49,712.28-20,107.56

Finding the Fourth Proportional to 36,023.60, 49,712.28 and 20,107.56

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Solution

The fourth proportional to 36,023.60, 49,712.28 and 20,107.56 is: 27,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.60 : 49,712.28 = 20,107.56 : x
  2. Step 2: Convert to fraction form
    36,023.60/49,712.28 = 20,107.56/x
  3. Step 3: Cross multiply
    36,023.60x = 49,712.28 × 20,107.56
  4. Step 4: Simplify right side
    36,023.60x = 999,592,652.84
  5. Step 5: Solve for x
    x = 999,592,652.84/36,023.60
  6. Step 6: Final answer
    x = 27,748.27

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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.