Home / 32,628.68-45,030.72-18,288.44

Finding the Fourth Proportional to 32,628.68, 45,030.72 and 18,288.44

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Solution

The fourth proportional to 32,628.68, 45,030.72 and 18,288.44 is: 25,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628.68 : 45,030.72 = 18,288.44 : x
  2. Step 2: Convert to fraction form
    32,628.68/45,030.72 = 18,288.44/x
  3. Step 3: Cross multiply
    32,628.68x = 45,030.72 × 18,288.44
  4. Step 4: Simplify right side
    32,628.68x = 823,541,620.88
  5. Step 5: Solve for x
    x = 823,541,620.88/32,628.68
  6. Step 6: Final answer
    x = 25,239.81

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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.