Home / 39,362.78-58,991.31-21,566.68

Finding the Fourth Proportional to 39,362.78, 58,991.31 and 21,566.68

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Solution

The fourth proportional to 39,362.78, 58,991.31 and 21,566.68 is: 32,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,362.78 : 58,991.31 = 21,566.68 : x
  2. Step 2: Convert to fraction form
    39,362.78/58,991.31 = 21,566.68/x
  3. Step 3: Cross multiply
    39,362.78x = 58,991.31 × 21,566.68
  4. Step 4: Simplify right side
    39,362.78x = 1,272,246,558.07
  5. Step 5: Solve for x
    x = 1,272,246,558.07/39,362.78
  6. Step 6: Final answer
    x = 32,321.05

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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.