Home / 33,157.92-45,758.68-18,818.70

Finding the Fourth Proportional to 33,157.92, 45,758.68 and 18,818.70

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Solution

The fourth proportional to 33,157.92, 45,758.68 and 18,818.70 is: 25,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.92 : 45,758.68 = 18,818.70 : x
  2. Step 2: Convert to fraction form
    33,157.92/45,758.68 = 18,818.70/x
  3. Step 3: Cross multiply
    33,157.92x = 45,758.68 × 18,818.70
  4. Step 4: Simplify right side
    33,157.92x = 861,118,871.32
  5. Step 5: Solve for x
    x = 861,118,871.32/33,157.92
  6. Step 6: Final answer
    x = 25,970.23

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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.