Home / 33,285.94-45,934.68-18,178.72

Finding the Fourth Proportional to 33,285.94, 45,934.68 and 18,178.72

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Solution

The fourth proportional to 33,285.94, 45,934.68 and 18,178.72 is: 25,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.94 : 45,934.68 = 18,178.72 : x
  2. Step 2: Convert to fraction form
    33,285.94/45,934.68 = 18,178.72/x
  3. Step 3: Cross multiply
    33,285.94x = 45,934.68 × 18,178.72
  4. Step 4: Simplify right side
    33,285.94x = 835,033,686.01
  5. Step 5: Solve for x
    x = 835,033,686.01/33,285.94
  6. Step 6: Final answer
    x = 25,086.68

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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.