Home / 33,785.10-46,623.20-18,677.79

Finding the Fourth Proportional to 33,785.10, 46,623.20 and 18,677.79

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Solution

The fourth proportional to 33,785.10, 46,623.20 and 18,677.79 is: 25,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,785.10 : 46,623.20 = 18,677.79 : x
  2. Step 2: Convert to fraction form
    33,785.10/46,623.20 = 18,677.79/x
  3. Step 3: Cross multiply
    33,785.10x = 46,623.20 × 18,677.79
  4. Step 4: Simplify right side
    33,785.10x = 870,818,245.34
  5. Step 5: Solve for x
    x = 870,818,245.34/33,785.10
  6. Step 6: Final answer
    x = 25,775.22

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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.