Home / 39,321.28-58,944.96-14,355.52

Finding the Fourth Proportional to 39,321.28, 58,944.96 and 14,355.52

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Solution

The fourth proportional to 39,321.28, 58,944.96 and 14,355.52 is: 21,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.28 : 58,944.96 = 14,355.52 : x
  2. Step 2: Convert to fraction form
    39,321.28/58,944.96 = 14,355.52/x
  3. Step 3: Cross multiply
    39,321.28x = 58,944.96 × 14,355.52
  4. Step 4: Simplify right side
    39,321.28x = 846,185,552.18
  5. Step 5: Solve for x
    x = 846,185,552.18/39,321.28
  6. Step 6: Final answer
    x = 21,519.79

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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.