Home / 35,837.68-49,456.68-21,511.60

Finding the Fourth Proportional to 35,837.68, 49,456.68 and 21,511.60

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Solution

The fourth proportional to 35,837.68, 49,456.68 and 21,511.60 is: 29,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,837.68 : 49,456.68 = 21,511.60 : x
  2. Step 2: Convert to fraction form
    35,837.68/49,456.68 = 21,511.60/x
  3. Step 3: Cross multiply
    35,837.68x = 49,456.68 × 21,511.60
  4. Step 4: Simplify right side
    35,837.68x = 1,063,892,317.49
  5. Step 5: Solve for x
    x = 1,063,892,317.49/35,837.68
  6. Step 6: Final answer
    x = 29,686.42

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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.