Home / 39,192-58,749.12-21,670.08

Finding the Fourth Proportional to 39,192, 58,749.12 and 21,670.08

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Solution

The fourth proportional to 39,192, 58,749.12 and 21,670.08 is: 32,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192 : 58,749.12 = 21,670.08 : x
  2. Step 2: Convert to fraction form
    39,192/58,749.12 = 21,670.08/x
  3. Step 3: Cross multiply
    39,192x = 58,749.12 × 21,670.08
  4. Step 4: Simplify right side
    39,192x = 1,273,098,130.33
  5. Step 5: Solve for x
    x = 1,273,098,130.33/39,192
  6. Step 6: Final answer
    x = 32,483.62

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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.