Home / 51,995.34-77,935.91-20,395.89

Finding the Fourth Proportional to 51,995.34, 77,935.91 and 20,395.89

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Solution

The fourth proportional to 51,995.34, 77,935.91 and 20,395.89 is: 30,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.34 : 77,935.91 = 20,395.89 : x
  2. Step 2: Convert to fraction form
    51,995.34/77,935.91 = 20,395.89/x
  3. Step 3: Cross multiply
    51,995.34x = 77,935.91 × 20,395.89
  4. Step 4: Simplify right side
    51,995.34x = 1,589,572,145.43
  5. Step 5: Solve for x
    x = 1,589,572,145.43/51,995.34
  6. Step 6: Final answer
    x = 30,571.43

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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.