Home / 45,680.83-68,512.87-20,714.84

Finding the Fourth Proportional to 45,680.83, 68,512.87 and 20,714.84

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Solution

The fourth proportional to 45,680.83, 68,512.87 and 20,714.84 is: 31,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,680.83 : 68,512.87 = 20,714.84 : x
  2. Step 2: Convert to fraction form
    45,680.83/68,512.87 = 20,714.84/x
  3. Step 3: Cross multiply
    45,680.83x = 68,512.87 × 20,714.84
  4. Step 4: Simplify right side
    45,680.83x = 1,419,233,139.99
  5. Step 5: Solve for x
    x = 1,419,233,139.99/45,680.83
  6. Step 6: Final answer
    x = 31,068.46

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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.