Home / 32,999.85-45,546.39-19,578.54

Finding the Fourth Proportional to 32,999.85, 45,546.39 and 19,578.54

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Solution

The fourth proportional to 32,999.85, 45,546.39 and 19,578.54 is: 27,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,999.85 : 45,546.39 = 19,578.54 : x
  2. Step 2: Convert to fraction form
    32,999.85/45,546.39 = 19,578.54/x
  3. Step 3: Cross multiply
    32,999.85x = 45,546.39 × 19,578.54
  4. Step 4: Simplify right side
    32,999.85x = 891,731,818.47
  5. Step 5: Solve for x
    x = 891,731,818.47/32,999.85
  6. Step 6: Final answer
    x = 27,022.30

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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.