Home / 45,918.08-68,888.56-13,086.08

Finding the Fourth Proportional to 45,918.08, 68,888.56 and 13,086.08

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Solution

The fourth proportional to 45,918.08, 68,888.56 and 13,086.08 is: 19,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.08 : 68,888.56 = 13,086.08 : x
  2. Step 2: Convert to fraction form
    45,918.08/68,888.56 = 13,086.08/x
  3. Step 3: Cross multiply
    45,918.08x = 68,888.56 × 13,086.08
  4. Step 4: Simplify right side
    45,918.08x = 901,481,207.24
  5. Step 5: Solve for x
    x = 901,481,207.24/45,918.08
  6. Step 6: Final answer
    x = 19,632.38

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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.