Home / 45,811.17-68,659.65-20,844.54

Finding the Fourth Proportional to 45,811.17, 68,659.65 and 20,844.54

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Solution

The fourth proportional to 45,811.17, 68,659.65 and 20,844.54 is: 31,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.17 : 68,659.65 = 20,844.54 : x
  2. Step 2: Convert to fraction form
    45,811.17/68,659.65 = 20,844.54/x
  3. Step 3: Cross multiply
    45,811.17x = 68,659.65 × 20,844.54
  4. Step 4: Simplify right side
    45,811.17x = 1,431,178,820.81
  5. Step 5: Solve for x
    x = 1,431,178,820.81/45,811.17
  6. Step 6: Final answer
    x = 31,240.83

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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.