Home / 39,272.54-54,196.23-21,367.38

Finding the Fourth Proportional to 39,272.54, 54,196.23 and 21,367.38

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Solution

The fourth proportional to 39,272.54, 54,196.23 and 21,367.38 is: 29,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.54 : 54,196.23 = 21,367.38 : x
  2. Step 2: Convert to fraction form
    39,272.54/54,196.23 = 21,367.38/x
  3. Step 3: Cross multiply
    39,272.54x = 54,196.23 × 21,367.38
  4. Step 4: Simplify right side
    39,272.54x = 1,158,031,440.98
  5. Step 5: Solve for x
    x = 1,158,031,440.98/39,272.54
  6. Step 6: Final answer
    x = 29,487.06

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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.