Home / 51,614.64-77,422.44-18,335.28

Finding the Fourth Proportional to 51,614.64, 77,422.44 and 18,335.28

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Solution

The fourth proportional to 51,614.64, 77,422.44 and 18,335.28 is: 27,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,614.64 : 77,422.44 = 18,335.28 : x
  2. Step 2: Convert to fraction form
    51,614.64/77,422.44 = 18,335.28/x
  3. Step 3: Cross multiply
    51,614.64x = 77,422.44 × 18,335.28
  4. Step 4: Simplify right side
    51,614.64x = 1,419,562,115.68
  5. Step 5: Solve for x
    x = 1,419,562,115.68/51,614.64
  6. Step 6: Final answer
    x = 27,503.09

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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.