Home / 38,645.10-53,212.14-29,098.85

Finding the Fourth Proportional to 38,645.10, 53,212.14 and 29,098.85

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Solution

The fourth proportional to 38,645.10, 53,212.14 and 29,098.85 is: 40,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.10 : 53,212.14 = 29,098.85 : x
  2. Step 2: Convert to fraction form
    38,645.10/53,212.14 = 29,098.85/x
  3. Step 3: Cross multiply
    38,645.10x = 53,212.14 × 29,098.85
  4. Step 4: Simplify right side
    38,645.10x = 1,548,411,813.98
  5. Step 5: Solve for x
    x = 1,548,411,813.98/38,645.10
  6. Step 6: Final answer
    x = 40,067.48

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Half scale
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Double scale
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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.