Home / 38,871.82-58,313.16-19,150.54

Finding the Fourth Proportional to 38,871.82, 58,313.16 and 19,150.54

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Solution

The fourth proportional to 38,871.82, 58,313.16 and 19,150.54 is: 28,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.82 : 58,313.16 = 19,150.54 : x
  2. Step 2: Convert to fraction form
    38,871.82/58,313.16 = 19,150.54/x
  3. Step 3: Cross multiply
    38,871.82x = 58,313.16 × 19,150.54
  4. Step 4: Simplify right side
    38,871.82x = 1,116,728,503.11
  5. Step 5: Solve for x
    x = 1,116,728,503.11/38,871.82
  6. Step 6: Final answer
    x = 28,728.49

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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.