Home / 48,678.26-72,982.87-21,645.82

Finding the Fourth Proportional to 48,678.26, 72,982.87 and 21,645.82

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Solution

The fourth proportional to 48,678.26, 72,982.87 and 21,645.82 is: 32,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.26 : 72,982.87 = 21,645.82 : x
  2. Step 2: Convert to fraction form
    48,678.26/72,982.87 = 21,645.82/x
  3. Step 3: Cross multiply
    48,678.26x = 72,982.87 × 21,645.82
  4. Step 4: Simplify right side
    48,678.26x = 1,579,774,067.10
  5. Step 5: Solve for x
    x = 1,579,774,067.10/48,678.26
  6. Step 6: Final answer
    x = 32,453.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.