Home / 52,177.96-78,262.62-17,119.72

Finding the Fourth Proportional to 52,177.96, 78,262.62 and 17,119.72

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Solution

The fourth proportional to 52,177.96, 78,262.62 and 17,119.72 is: 25,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177.96 : 78,262.62 = 17,119.72 : x
  2. Step 2: Convert to fraction form
    52,177.96/78,262.62 = 17,119.72/x
  3. Step 3: Cross multiply
    52,177.96x = 78,262.62 × 17,119.72
  4. Step 4: Simplify right side
    52,177.96x = 1,339,834,140.87
  5. Step 5: Solve for x
    x = 1,339,834,140.87/52,177.96
  6. Step 6: Final answer
    x = 25,678.16

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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.