Home / 33,271.32-45,913.96-18,930.80

Finding the Fourth Proportional to 33,271.32, 45,913.96 and 18,930.80

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Solution

The fourth proportional to 33,271.32, 45,913.96 and 18,930.80 is: 26,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.32 : 45,913.96 = 18,930.80 : x
  2. Step 2: Convert to fraction form
    33,271.32/45,913.96 = 18,930.80/x
  3. Step 3: Cross multiply
    33,271.32x = 45,913.96 × 18,930.80
  4. Step 4: Simplify right side
    33,271.32x = 869,187,993.97
  5. Step 5: Solve for x
    x = 869,187,993.97/33,271.32
  6. Step 6: Final answer
    x = 26,124.24

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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.