Home / 39,193.64-54,051.39-29,147.21

Finding the Fourth Proportional to 39,193.64, 54,051.39 and 29,147.21

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Solution

The fourth proportional to 39,193.64, 54,051.39 and 29,147.21 is: 40,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,193.64 : 54,051.39 = 29,147.21 : x
  2. Step 2: Convert to fraction form
    39,193.64/54,051.39 = 29,147.21/x
  3. Step 3: Cross multiply
    39,193.64x = 54,051.39 × 29,147.21
  4. Step 4: Simplify right side
    39,193.64x = 1,575,446,944.86
  5. Step 5: Solve for x
    x = 1,575,446,944.86/39,193.64
  6. Step 6: Final answer
    x = 40,196.50

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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.