Home / 40,108.92-55,347.91-22,202.85

Finding the Fourth Proportional to 40,108.92, 55,347.91 and 22,202.85

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Solution

The fourth proportional to 40,108.92, 55,347.91 and 22,202.85 is: 30,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.92 : 55,347.91 = 22,202.85 : x
  2. Step 2: Convert to fraction form
    40,108.92/55,347.91 = 22,202.85/x
  3. Step 3: Cross multiply
    40,108.92x = 55,347.91 × 22,202.85
  4. Step 4: Simplify right side
    40,108.92x = 1,228,881,343.54
  5. Step 5: Solve for x
    x = 1,228,881,343.54/40,108.92
  6. Step 6: Final answer
    x = 30,638.60

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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.