Home / 33,309.76-45,966.88-19,161.92

Finding the Fourth Proportional to 33,309.76, 45,966.88 and 19,161.92

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Solution

The fourth proportional to 33,309.76, 45,966.88 and 19,161.92 is: 26,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.76 : 45,966.88 = 19,161.92 : x
  2. Step 2: Convert to fraction form
    33,309.76/45,966.88 = 19,161.92/x
  3. Step 3: Cross multiply
    33,309.76x = 45,966.88 × 19,161.92
  4. Step 4: Simplify right side
    33,309.76x = 880,813,677.21
  5. Step 5: Solve for x
    x = 880,813,677.21/33,309.76
  6. Step 6: Final answer
    x = 26,443.11

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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.