Home / 30,100.92-41,539.85-18,013.83

Finding the Fourth Proportional to 30,100.92, 41,539.85 and 18,013.83

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Solution

The fourth proportional to 30,100.92, 41,539.85 and 18,013.83 is: 24,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.92 : 41,539.85 = 18,013.83 : x
  2. Step 2: Convert to fraction form
    30,100.92/41,539.85 = 18,013.83/x
  3. Step 3: Cross multiply
    30,100.92x = 41,539.85 × 18,013.83
  4. Step 4: Simplify right side
    30,100.92x = 748,291,796.13
  5. Step 5: Solve for x
    x = 748,291,796.13/30,100.92
  6. Step 6: Final answer
    x = 24,859.43

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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.