Home / 45,540.06-68,264.01-18,849.21

Finding the Fourth Proportional to 45,540.06, 68,264.01 and 18,849.21

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Solution

The fourth proportional to 45,540.06, 68,264.01 and 18,849.21 is: 28,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.06 : 68,264.01 = 18,849.21 : x
  2. Step 2: Convert to fraction form
    45,540.06/68,264.01 = 18,849.21/x
  3. Step 3: Cross multiply
    45,540.06x = 68,264.01 × 18,849.21
  4. Step 4: Simplify right side
    45,540.06x = 1,286,722,659.93
  5. Step 5: Solve for x
    x = 1,286,722,659.93/45,540.06
  6. Step 6: Final answer
    x = 28,254.74

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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.