Home / 33,259.30-45,905.70-19,120.36

Finding the Fourth Proportional to 33,259.30, 45,905.70 and 19,120.36

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Solution

The fourth proportional to 33,259.30, 45,905.70 and 19,120.36 is: 26,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,259.30 : 45,905.70 = 19,120.36 : x
  2. Step 2: Convert to fraction form
    33,259.30/45,905.70 = 19,120.36/x
  3. Step 3: Cross multiply
    33,259.30x = 45,905.70 × 19,120.36
  4. Step 4: Simplify right side
    33,259.30x = 877,733,510.05
  5. Step 5: Solve for x
    x = 877,733,510.05/33,259.30
  6. Step 6: Final answer
    x = 26,390.62

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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.