Home / 32,868.25-45,358.19-18,729.30

Finding the Fourth Proportional to 32,868.25, 45,358.19 and 18,729.30

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Solution

The fourth proportional to 32,868.25, 45,358.19 and 18,729.30 is: 25,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.25 : 45,358.19 = 18,729.30 : x
  2. Step 2: Convert to fraction form
    32,868.25/45,358.19 = 18,729.30/x
  3. Step 3: Cross multiply
    32,868.25x = 45,358.19 × 18,729.30
  4. Step 4: Simplify right side
    32,868.25x = 849,527,147.97
  5. Step 5: Solve for x
    x = 849,527,147.97/32,868.25
  6. Step 6: Final answer
    x = 25,846.44

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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.