Home / 45,918.58-68,889.31-13,086.58

Finding the Fourth Proportional to 45,918.58, 68,889.31 and 13,086.58

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Solution

The fourth proportional to 45,918.58, 68,889.31 and 13,086.58 is: 19,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.58 : 68,889.31 = 13,086.58 : x
  2. Step 2: Convert to fraction form
    45,918.58/68,889.31 = 13,086.58/x
  3. Step 3: Cross multiply
    45,918.58x = 68,889.31 × 13,086.58
  4. Step 4: Simplify right side
    45,918.58x = 901,525,466.46
  5. Step 5: Solve for x
    x = 901,525,466.46/45,918.58
  6. Step 6: Final answer
    x = 19,633.13

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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.