Home / 45,101.56-67,652.62-11,821.33

Finding the Fourth Proportional to 45,101.56, 67,652.62 and 11,821.33

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Solution

The fourth proportional to 45,101.56, 67,652.62 and 11,821.33 is: 17,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.56 : 67,652.62 = 11,821.33 : x
  2. Step 2: Convert to fraction form
    45,101.56/67,652.62 = 11,821.33/x
  3. Step 3: Cross multiply
    45,101.56x = 67,652.62 × 11,821.33
  4. Step 4: Simplify right side
    45,101.56x = 799,744,195.12
  5. Step 5: Solve for x
    x = 799,744,195.12/45,101.56
  6. Step 6: Final answer
    x = 17,732.08

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1.5x scale

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.