Home / 30,026.80-41,439.14-16,597.78

Finding the Fourth Proportional to 30,026.80, 41,439.14 and 16,597.78

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Solution

The fourth proportional to 30,026.80, 41,439.14 and 16,597.78 is: 22,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,026.80 : 41,439.14 = 16,597.78 : x
  2. Step 2: Convert to fraction form
    30,026.80/41,439.14 = 16,597.78/x
  3. Step 3: Cross multiply
    30,026.80x = 41,439.14 × 16,597.78
  4. Step 4: Simplify right side
    30,026.80x = 687,797,698.13
  5. Step 5: Solve for x
    x = 687,797,698.13/30,026.80
  6. Step 6: Final answer
    x = 22,906.13

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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.