Home / 33,230.11-45,857.63-18,890.03

Finding the Fourth Proportional to 33,230.11, 45,857.63 and 18,890.03

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Solution

The fourth proportional to 33,230.11, 45,857.63 and 18,890.03 is: 26,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.11 : 45,857.63 = 18,890.03 : x
  2. Step 2: Convert to fraction form
    33,230.11/45,857.63 = 18,890.03/x
  3. Step 3: Cross multiply
    33,230.11x = 45,857.63 × 18,890.03
  4. Step 4: Simplify right side
    33,230.11x = 866,251,911.98
  5. Step 5: Solve for x
    x = 866,251,911.98/33,230.11
  6. Step 6: Final answer
    x = 26,068.29

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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.