Home / 52,313.96-78,474.78-21,148.52

Finding the Fourth Proportional to 52,313.96, 78,474.78 and 21,148.52

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Solution

The fourth proportional to 52,313.96, 78,474.78 and 21,148.52 is: 31,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,313.96 : 78,474.78 = 21,148.52 : x
  2. Step 2: Convert to fraction form
    52,313.96/78,474.78 = 21,148.52/x
  3. Step 3: Cross multiply
    52,313.96x = 78,474.78 × 21,148.52
  4. Step 4: Simplify right side
    52,313.96x = 1,659,625,454.33
  5. Step 5: Solve for x
    x = 1,659,625,454.33/52,313.96
  6. Step 6: Final answer
    x = 31,724.33

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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.