Home / 45,770.22-68,648.49-15,789.18

Finding the Fourth Proportional to 45,770.22, 68,648.49 and 15,789.18

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Solution

The fourth proportional to 45,770.22, 68,648.49 and 15,789.18 is: 23,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.22 : 68,648.49 = 15,789.18 : x
  2. Step 2: Convert to fraction form
    45,770.22/68,648.49 = 15,789.18/x
  3. Step 3: Cross multiply
    45,770.22x = 68,648.49 × 15,789.18
  4. Step 4: Simplify right side
    45,770.22x = 1,083,903,365.34
  5. Step 5: Solve for x
    x = 1,083,903,365.34/45,770.22
  6. Step 6: Final answer
    x = 23,681.41

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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.