Home / 36,023.48-49,712.30-20,107.92

Finding the Fourth Proportional to 36,023.48, 49,712.30 and 20,107.92

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Solution

The fourth proportional to 36,023.48, 49,712.30 and 20,107.92 is: 27,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.48 : 49,712.30 = 20,107.92 : x
  2. Step 2: Convert to fraction form
    36,023.48/49,712.30 = 20,107.92/x
  3. Step 3: Cross multiply
    36,023.48x = 49,712.30 × 20,107.92
  4. Step 4: Simplify right side
    36,023.48x = 999,610,951.42
  5. Step 5: Solve for x
    x = 999,610,951.42/36,023.48
  6. Step 6: Final answer
    x = 27,748.87

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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.