Home / 45,620.33-68,430.49-17,553.60

Finding the Fourth Proportional to 45,620.33, 68,430.49 and 17,553.60

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Solution

The fourth proportional to 45,620.33, 68,430.49 and 17,553.60 is: 26,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.33 : 68,430.49 = 17,553.60 : x
  2. Step 2: Convert to fraction form
    45,620.33/68,430.49 = 17,553.60/x
  3. Step 3: Cross multiply
    45,620.33x = 68,430.49 × 17,553.60
  4. Step 4: Simplify right side
    45,620.33x = 1,201,201,346.18
  5. Step 5: Solve for x
    x = 1,201,201,346.18/45,620.33
  6. Step 6: Final answer
    x = 26,330.40

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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.