Home / 52,177.47-78,277.53-17,115.81

Finding the Fourth Proportional to 52,177.47, 78,277.53 and 17,115.81

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Solution

The fourth proportional to 52,177.47, 78,277.53 and 17,115.81 is: 25,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177.47 : 78,277.53 = 17,115.81 : x
  2. Step 2: Convert to fraction form
    52,177.47/78,277.53 = 17,115.81/x
  3. Step 3: Cross multiply
    52,177.47x = 78,277.53 × 17,115.81
  4. Step 4: Simplify right side
    52,177.47x = 1,339,783,330.75
  5. Step 5: Solve for x
    x = 1,339,783,330.75/52,177.47
  6. Step 6: Final answer
    x = 25,677.43

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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.