Home / 38,879.96-58,345.68-21,362

Finding the Fourth Proportional to 38,879.96, 58,345.68 and 21,362

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Solution

The fourth proportional to 38,879.96, 58,345.68 and 21,362 is: 32,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.96 : 58,345.68 = 21,362 : x
  2. Step 2: Convert to fraction form
    38,879.96/58,345.68 = 21,362/x
  3. Step 3: Cross multiply
    38,879.96x = 58,345.68 × 21,362
  4. Step 4: Simplify right side
    38,879.96x = 1,246,380,416.16
  5. Step 5: Solve for x
    x = 1,246,380,416.16/38,879.96
  6. Step 6: Final answer
    x = 32,057.14

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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.