Home / 45,373.60-68,023.62-20,395.36

Finding the Fourth Proportional to 45,373.60, 68,023.62 and 20,395.36

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Solution

The fourth proportional to 45,373.60, 68,023.62 and 20,395.36 is: 30,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,373.60 : 68,023.62 = 20,395.36 : x
  2. Step 2: Convert to fraction form
    45,373.60/68,023.62 = 20,395.36/x
  3. Step 3: Cross multiply
    45,373.60x = 68,023.62 × 20,395.36
  4. Step 4: Simplify right side
    45,373.60x = 1,387,366,218.40
  5. Step 5: Solve for x
    x = 1,387,366,218.40/45,373.60
  6. Step 6: Final answer
    x = 30,576.51

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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.