Home / 51,320.18-76,991.07-19,299.44

Finding the Fourth Proportional to 51,320.18, 76,991.07 and 19,299.44

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Solution

The fourth proportional to 51,320.18, 76,991.07 and 19,299.44 is: 28,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.18 : 76,991.07 = 19,299.44 : x
  2. Step 2: Convert to fraction form
    51,320.18/76,991.07 = 19,299.44/x
  3. Step 3: Cross multiply
    51,320.18x = 76,991.07 × 19,299.44
  4. Step 4: Simplify right side
    51,320.18x = 1,485,884,536.00
  5. Step 5: Solve for x
    x = 1,485,884,536.00/51,320.18
  6. Step 6: Final answer
    x = 28,953.22

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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.