Home / 45,711.36-63,067.68-29,790

Finding the Fourth Proportional to 45,711.36, 63,067.68 and 29,790

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Solution

The fourth proportional to 45,711.36, 63,067.68 and 29,790 is: 41,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,711.36 : 63,067.68 = 29,790 : x
  2. Step 2: Convert to fraction form
    45,711.36/63,067.68 = 29,790/x
  3. Step 3: Cross multiply
    45,711.36x = 63,067.68 × 29,790
  4. Step 4: Simplify right side
    45,711.36x = 1,878,786,187.20
  5. Step 5: Solve for x
    x = 1,878,786,187.20/45,711.36
  6. Step 6: Final answer
    x = 41,101.08

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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.