Home / 39,338.10-54,161.19-36,655.38

Finding the Fourth Proportional to 39,338.10, 54,161.19 and 36,655.38

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Solution

The fourth proportional to 39,338.10, 54,161.19 and 36,655.38 is: 50,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.10 : 54,161.19 = 36,655.38 : x
  2. Step 2: Convert to fraction form
    39,338.10/54,161.19 = 36,655.38/x
  3. Step 3: Cross multiply
    39,338.10x = 54,161.19 × 36,655.38
  4. Step 4: Simplify right side
    39,338.10x = 1,985,299,000.70
  5. Step 5: Solve for x
    x = 1,985,299,000.70/39,338.10
  6. Step 6: Final answer
    x = 50,467.59

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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.