Home / 51,298.22-76,952.64-13,858.50

Finding the Fourth Proportional to 51,298.22, 76,952.64 and 13,858.50

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Solution

The fourth proportional to 51,298.22, 76,952.64 and 13,858.50 is: 20,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.22 : 76,952.64 = 13,858.50 : x
  2. Step 2: Convert to fraction form
    51,298.22/76,952.64 = 13,858.50/x
  3. Step 3: Cross multiply
    51,298.22x = 76,952.64 × 13,858.50
  4. Step 4: Simplify right side
    51,298.22x = 1,066,448,161.44
  5. Step 5: Solve for x
    x = 1,066,448,161.44/51,298.22
  6. Step 6: Final answer
    x = 20,789.18

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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.