Home / 51,552.06-77,318.37-18,270.78

Finding the Fourth Proportional to 51,552.06, 77,318.37 and 18,270.78

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Solution

The fourth proportional to 51,552.06, 77,318.37 and 18,270.78 is: 27,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,552.06 : 77,318.37 = 18,270.78 : x
  2. Step 2: Convert to fraction form
    51,552.06/77,318.37 = 18,270.78/x
  3. Step 3: Cross multiply
    51,552.06x = 77,318.37 × 18,270.78
  4. Step 4: Simplify right side
    51,552.06x = 1,412,666,928.23
  5. Step 5: Solve for x
    x = 1,412,666,928.23/51,552.06
  6. Step 6: Final answer
    x = 27,402.73

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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.