Home / 52,253.75-78,355.92-20,247.81

Finding the Fourth Proportional to 52,253.75, 78,355.92 and 20,247.81

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Solution

The fourth proportional to 52,253.75, 78,355.92 and 20,247.81 is: 30,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.75 : 78,355.92 = 20,247.81 : x
  2. Step 2: Convert to fraction form
    52,253.75/78,355.92 = 20,247.81/x
  3. Step 3: Cross multiply
    52,253.75x = 78,355.92 × 20,247.81
  4. Step 4: Simplify right side
    52,253.75x = 1,586,535,780.54
  5. Step 5: Solve for x
    x = 1,586,535,780.54/52,253.75
  6. Step 6: Final answer
    x = 30,362.14

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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.