Home / 45,716.90-68,575.37-30,021.08

Finding the Fourth Proportional to 45,716.90, 68,575.37 and 30,021.08

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Solution

The fourth proportional to 45,716.90, 68,575.37 and 30,021.08 is: 45,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.90 : 68,575.37 = 30,021.08 : x
  2. Step 2: Convert to fraction form
    45,716.90/68,575.37 = 30,021.08/x
  3. Step 3: Cross multiply
    45,716.90x = 68,575.37 × 30,021.08
  4. Step 4: Simplify right side
    45,716.90x = 2,058,706,175.82
  5. Step 5: Solve for x
    x = 2,058,706,175.82/45,716.90
  6. Step 6: Final answer
    x = 45,031.63

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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.