Home / 45,335.79-68,025.96-20,393.46

Finding the Fourth Proportional to 45,335.79, 68,025.96 and 20,393.46

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Solution

The fourth proportional to 45,335.79, 68,025.96 and 20,393.46 is: 30,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.79 : 68,025.96 = 20,393.46 : x
  2. Step 2: Convert to fraction form
    45,335.79/68,025.96 = 20,393.46/x
  3. Step 3: Cross multiply
    45,335.79x = 68,025.96 × 20,393.46
  4. Step 4: Simplify right side
    45,335.79x = 1,387,284,694.22
  5. Step 5: Solve for x
    x = 1,387,284,694.22/45,335.79
  6. Step 6: Final answer
    x = 30,600.21

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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.